GIMPS Milestones

GIMPS Milestones Report

Progress toward next GIMPS milestones (last updated 2024-10-13 03:30:12 UTC, updates every 15 minutes)

All exponents below 69369389 have been tested and verified.
All exponents below 123917383 have been tested at least once.

Countdown to first time checking all exponents below 123 million:
Countdown to first time checking all exponents below 124 million: 2
Countdown to first time checking all exponents below 125 million: 16
Countdown to first time checking all exponents below 126 million: 34
Countdown to first time checking all exponents below 127 million: 51
Countdown to first time checking all exponents below 128 million: 60
Countdown to first time checking all exponents below 129 million: 158
Countdown to first time checking all exponents below 130 million: 195
Countdown to first time checking all exponents below 131 million: 310

Countdown to verifying all tests below 70 million: 114
Countdown to verifying all tests below 71 million: 522 (151 available)

Countdown to verifying all tests below M(74207281): 37651 (35 327 available)
Countdown to verifying all tests below M(77232917): 87351
Countdown to verifying all tests below M(82589933): 183543

Major and Recent GIMPS Milestones

2024-Oct-08	All exponents below 122 million tested at least once.
2024-Aug-10	All tests below 69 million verified.
2021-Oct-06	All tests below M(57885161) verified, confirming its place as the 48th Mersenne prime.
2018-12-07	Prime M(82589933) discovered!
2017-12-26	Prime M(77232917) discovered!
2016-01-07	Prime M(74207281) discovered!
2013-01-25	Prime M(57885161) discovered!
2009-06-04	Prime M(42643801) discovered!
2008-09-06	Prime M(37156667) discovered!
2008-08-23	Prime M(43112609) discovered!
2006-09-04	Prime M(32582657) discovered!
2005-12-15	Prime M(30402457) discovered!
2005-02-18	Prime M(25964951) discovered!
2004-05-15	Prime M(24036583) discovered!
2003-11-17	Prime M(20996011) discovered!
2001-11-14	Prime M(13466917) discovered!
1999-06-01	Prime M(6972593) discovered!
1998-01-27	Prime M(3021377) discovered!
1997-08-24	Prime M(2976221) discovered!
1996-11-13	Prime M(1398269) discovered!

Older and lower profile GIMPS Milestones

Date	Miscellaneous milestones
2021-10-06	All tests below M(57885161) are verified, officially making it the 48th Mersenne prime.
2018-08-14	All exponents below 79.3 million tested at least once. This was the original upper limit for early versions of Prime95.
2018-04-08	All tests below M(43112609) are verified, officially making it the 47th Mersenne prime.
2018-02-22	All tests below M(42643801) are verified, officially making it the 46th Mersenne prime.
2016-09-02	All tests below M(37156667) are verified, officially making it the 45th Mersenne prime.
2015-02-03	All exponents below M(33219253) (10 million digits) verified.
2014-11-08	All tests below M(32582657) are verified, officially making it the 44th Mersenne prime.
2014-08-09	First 100 million digit number independently verified - M(345678877).
2014-02-23	All tests below M(30402457) are verified, officially making it the 43rd Mersenne prime.
2013-03-08	First 100 million digit number successfully verified - M(383838383).
2012-12-20	All tests below M(25964951) are verified, officially making it the 42nd Mersenne prime.
2012-06-27	First 100 million digit number tested for primality without detected errors - M(332194529).
2011-12-01	All tests below M(24036583) are verified, officially making it the 41st Mersenne prime.
2010-07-11	All tests below M(20996011) are verified, officially making it the 40th Mersenne prime.
2006-07-10	All tests below M(13466917) are verified, officially making it the 39th Mersenne prime.
2003-02-02	All tests below M(6972593) are verified, officially making it the 38th Mersenne prime.
2001-04-06	First 10 million digit number sucessfully verified.
2000-09-25	First 10 million digit number tested for primality.
2000-05-19	All tests below M(2976221) and M(3021377) are verified, officially making them the 36th and 37th Mersenne primes.
1998-12-26	All Mersenne numbers less than a million digits tested at least once.
1998-12-18	All tests below M(1398269) are verified, officially making it the 35th Mersenne prime.
1998-03-29	All tests below M(1257787) are verified, officially making it the 34th Mersenne prime.
1997-08-30	All tests below M(756839) and M(859433) are verified, officially making them the 32nd and 33rd Mersenne primes.
1996-Q3	All tests below M(216091) are verified, officially making it the 31st Mersenne prime.

Date	Mersenne Prime milestones
2019-02-14	All exponents below M(82589933) tested at least once.
2018-03-02	All exponents below M(77232917) tested at least once.
2017-10-05	All exponents below M(74207281) tested at least once.
2015-10-04	All exponents below M(57885161) tested at least once.
2012-09-05	All exponents below M(43112609) tested at least once.
2012-09-05	All exponents below M(42643801) tested at least once.
2010-12-25	All exponents below M(37156667) tested at least once.
2010-12-25	All exponents below M(32582657) tested at least once.
2010-07-29	All exponents below M(30402457) tested at least once.
2009-04-08	All exponents below M(25964951) tested at least once.
2009-02-23	All exponents below M(24036583) tested at least once.
2008-07-04	All exponents below M(20996011) tested at least once.
2004-10-03	All exponents below M(13466917) tested at least once.
2001-07-25	All exponents below M(6972593) tested at least once.
1998-09-26	All exponents below M(3021377) tested at least once.
1998-09-19	All exponents below M(2976221) tested at least once.
1997-10-11	All exponents below M(1398269) tested at least once.
1997-08-28	All exponents below M(1257787) tested at least once.
1997-03-28	All exponents below M(859433) tested at least once.
1997-01-15	All exponents below M(756839) tested at least once.

Date	First time checks
2024-10-08	All exponents below 122 million tested at least once.
2024-10-03	All exponents below 121 million tested at least once.
2024-09-11	All exponents below 120 million tested at least once.
2024-08-22	All exponents below 119 million tested at least once.
2024-07-31	All exponents below 118 million tested at least once.
2024-05-23	All exponents below 117 million tested at least once.
2024-03-18	All exponents below 116 million tested at least once.
2024-01-30	All exponents below 115 million tested at least once.
2023-10-26	All exponents below 114 million tested at least once.
2023-07-24	All exponents below 113 million tested at least once.
2023-04-11	All exponents below 112 million tested at least once.
2022-11-17	All exponents below 111 million tested at least once.
2022-09-29	All exponents below 110 million tested at least once.
2022-05-30	All exponents below 109 million tested at least once.
2022-02-28	All exponents below 108 million tested at least once.
2021-12-29	All exponents below 107 million tested at least once.
2021-11-22	All exponents below 106 million tested at least once.
2021-10-07	All exponents below 105 million tested at least once.
2021-07-21	All exponents below 104 million tested at least once.
2021-06-05	All exponents below 103 million tested at least once.
2021-04-11	All exponents below 102 million tested at least once.
2021-01-15	All exponents below 101 million tested at least once.
2020-12-04	All exponents below 100 million tested at least once.
2020-11-27	All exponents below 99 million tested at least once.
2020-11-17	All exponents below 98 million tested at least once.
2020-11-17	All exponents below 97 million tested at least once.
2020-11-09	All exponents below 96 million tested at least once.
2020-11-03	All exponents below 95 million tested at least once.
2020-10-24	All exponents below 94 million tested at least once.
2020-10-09	All exponents below 93 million tested at least once.
2020-10-04	All exponents below 92 million tested at least once.
2020-06-20	All exponents below 91 million tested at least once.
2020-04-09	All exponents below 90 million tested at least once.
2020-03-01	All exponents below 89 million tested at least once.
2020-02-02	All exponents below 88 million tested at least once.
2019-12-28	All exponents below 87 million tested at least once.
2019-11-08	All exponents below 86 million tested at least once.
2019-08-04	All exponents below 85 million tested at least once.
2019-06-11	All exponents below 84 million tested at least once.
2019-03-17	All exponents below 83 million tested at least once.
2018-12-30	All exponents below 82 million tested at least once.
2018-10-21	All exponents below 81 million tested at least once.
2018-08-16	All exponents below 80 million tested at least once.
2018-06-20	All exponents below 79 million tested at least once.
2018-04-18	All exponents below 78 million tested at least once.
2018-02-27	All exponents below 77 million tested at least once.
2017-12-14	All exponents below 76 million tested at least once.
2017-10-05	All exponents below 75 million tested at least once.
2017-09-19	All exponents below 74 million tested at least once.
2017-08-06	All exponents below 73 million tested at least once.
2017-07-08	All exponents below 72 million tested at least once.
2017-03-20	All exponents below 71 million tested at least once.
2016-12-29	All exponents below 70 million tested at least once.
2016-11-19	All exponents below 69 million tested at least once.
2016-09-06	All exponents below 68 million tested at least once.
2016-05-25	All exponents below 67 million tested at least once.
2016-05-11	All exponents below 66 million tested at least once.
2016-05-11	All exponents below 65 million tested at least once.
2016-05-11	All exponents below 64 million tested at least once.
2016-02-19	All exponents below 63 million tested at least once.
2016-02-17	All exponents below 62 million tested at least once.
2016-02-17	All exponents below 61 million tested at least once.
2015-12-26	All exponents below 60 million tested at least once.
2015-12-22	All exponents below 59 million tested at least once.
2015-10-04	All exponents below 58 million tested at least once.
2015-08-09	All exponents below 57 million tested at least once.
2015-08-09	All exponents below 56 million tested at least once.
2015-06-06	All exponents below 55 million tested at least once.
2015-01-05	All exponents below 54 million tested at least once.
2014-11-19	All exponents below 53 million tested at least once.
2014-11-19	All exponents below 52 million tested at least once.
2014-05-01	All exponents below 51 million tested at least once.
2014-04-08	All exponents below 50 million tested at least once.
2014-04-06	All exponents below 49 million tested at least once.
2014-03-26	All exponents below 48 million tested at least once.
2014-03-17	All exponents below 47 million tested at least once.
2014-03-13	All exponents below 46 million tested at least once.
2013-12-11	All exponents below 45 million tested at least once.
2012-11-09	All exponents below 44 million tested at least once.
2012-09-05	All exponents below 43 million tested at least once.
2012-09-05	All exponents below 42 million tested at least once.
2012-08-05	All exponents below 41 million tested at least once.
2012-08-02	All exponents below 40 million tested at least once.
2012-07-22	All exponents below 39 million tested at least once.
2011-07-19	All exponents below 38 million tested at least once.
2010-12-25	All exponents below 37 million tested at least once.
2010-12-25	All exponents below 36 million tested at least once.
2010-12-25	All exponents below 35 million tested at least once.
2010-12-25	All exponents below 34 million tested at least once.
2010-12-25	All exponents below 33 million tested at least once.
2010-12-25	All exponents below 32 million tested at least once.
2010-08-06	All exponents below 31 million tested at least once.
2010-07-29	All exponents below 30 million tested at least once.
2010-07-14	All exponents below 29 million tested at least once.
2010-02-10	All exponents below 28 million tested at least once.
2009-08-18	All exponents below 27 million tested at least once.
2009-04-08	All exponents below 26 million tested at least once.
2009-02-25	All exponents below 25 million tested at least once.
2009-02-23	All exponents below 24 million tested at least once.
2008-12-22*	All exponents below 23 million tested at least once.
2008-10-25*	All exponents below 22 million tested at least once.
2008-08-19*	All exponents below 21 million tested at least once.
2007-12-31	All exponents below 20 million tested at least once.
2007-11-17*	All exponents below 19 million tested at least once.
2006-10-24	All exponents below 18 million tested at least once.
2006-03-01	All exponents below 17 million tested at least once.
2005-12-24	All exponents below 16 million tested at least once.
2005-02-23	All exponents below 15 million tested at least once.
2005-02-12*	All exponents below 14 million tested at least once.
2004-10-03*	All exponents below 13 million tested at least once.
2004-03-09	All exponents below 12 million tested at least once.
2004-01-18*	All exponents below 11 million tested at least once.
2002-07-19	All exponents below 10 million tested at least once.
2002-04-15	All exponents below 9 million tested at least once.
2001-09-25	All exponents below 8 million tested at least once.
2001-09-25*	All exponents below 7 million tested at least once.
2001-04-01	All exponents below 6 million tested at least once.
2000-03-15	All exponents below 5 million tested at least once.
1999-08-19	All exponents below 4 million tested at least once.
1998-09-26*	All exponents below 3 million tested at least once.
1998-03-05	All exponents below 2 million tested at least once.
1997-05-26	All exponents below 1 million tested at least once.
* = estimated

Date	Verification Milestones
2024-08-10	All tests below 69 million verified.
2024-04-26	All tests below 68 million verified.
2024-02-19	All tests below 67 million verified.
2023-11-28	All tests below 66 million verified.
2023-09-19	All tests below 65 million verified.
2023-06-25	All tests below 64 million verified.
2023-03-03	All tests below 63 million verified.
2022-10-29	All tests below 62 million verified.
2022-07-18	All tests below 61 million verified.
2022-04-05	All tests below 60 million verified.
2021-12-22	All tests below 59 million verified.
2021-10-13	All tests below 58 million verified.
2021-08-26	All tests below 57 million verified.
2021-06-27	All tests below 56 million verified.
2021-04-06	All tests below 55 million verified.
2020-12-09	All tests below 54 million verified.
2020-09-17	All tests below 53 million verified.
2020-07-19	All tests below 52 million verified.
2020-07-19	All tests below 51 million verified.
2020-02-23	All tests below 50 million verified.
2019-11-19	All tests below 49 million verified.
2019-09-05	All tests below 48 million verified.
2019-04-07	All tests below 47 million verified.
2018-12-07	All tests below 46 million verified.
2018-09-09	All tests below 45 million verified.
2018-06-13	All tests below 44 million verified.
2018-04-08	All tests below 43 million verified.
2017-12-31	All tests below 42 million verified.
2017-09-05	All tests below 41 million verified.
2017-05-27	All tests below 40 million verified.
2017-03-04	All tests below 39 million verified.
2016-11-01	All tests below 38 million verified.
2016-09-02	All tests below 37 million verified.
2016-06-01	All tests below 36 million verified.
2016-01-29	All tests below 35 million verified.
2015-05-19	All tests below 34 million verified.
2014-12-21	All tests below 33 million verified.
2014-11-08	All tests below 32 million verified.
2014-10-01	All tests below 31 million verified.
2014-02-14	All tests below 30 million verified.
2014-02-04	All tests below 29 million verified.
2014-01-11	All tests below 28 million verified.
2014-01-09	All tests below 27 million verified.
2012-12-20	All tests below 26 million verified.
2012-08-27	All tests below 25 million verified.
2011-12-01	All tests below 24 million verified.
2011-12-01	All tests below 23 million verified.
2011-04-23	All tests below 22 million verified.
2010-07-11	All tests below 21 million verified.
2010-01-07	All tests below 20 million verified.
2009-10-30	All tests below 19 million verified.
2009-02-23	All tests below 18 million verified.
2008-07-08	All tests below 17 million verified.
2007-12-03	All tests below 16 million verified.
2007-04-23	All tests below 15 million verified.
2006-09-11	All tests below 14 million verified.
2006-06-13	All tests below 13 million verified.
2006-06-13	All tests below 12 million verified.
2005-12-12*	All tests below 11 million verified.
2005-04-26	All tests below 10 million verified.
2004-09-17	All tests below 9 million verified.
2004-02-23	All tests below 8 million verified.
2003-02-27*	All tests below 7 million verified.
2002-12-16	All tests below 6 million verified.
2002-05-02	All tests below 5 million verified.
2001-05-20	All tests below 4 million verified.
2000-05-19*	All tests below 3 million verified.
1999-10-16	All tests below 2 million verified.
1997-10-30	All tests below 1 million verified.
* = estimated

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