Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

GIMPS Milestones Report

Progress toward next GIMPS milestones (last updated 2022-11-29 10:30:08 UTC, updates every 15 minutes)

Major and Recent GIMPS Milestones

2022-Nov-17All exponents below 111 million tested at least once.
2022-Oct-29All tests below 62 million verified.
2021-Oct-06All tests below M(57885161) verified, confirming its place as the 48th Mersenne prime.
2018-12-07Prime M(82589933) discovered!
2017-12-26Prime M(77232917) discovered!
2016-01-07Prime M(74207281) discovered!
2013-01-25Prime M(57885161) discovered!
2009-06-04Prime M(42643801) discovered!
2008-09-06Prime M(37156667) discovered!
2008-08-23Prime M(43112609) discovered!
2006-09-04Prime M(32582657) discovered!
2005-12-15Prime M(30402457) discovered!
2005-02-18Prime M(25964951) discovered!
2004-05-15Prime M(24036583) discovered!
2003-11-17Prime M(20996011) discovered!
2001-11-14Prime M(13466917) discovered!
1999-06-01Prime M(6972593) discovered!
1998-01-27Prime M(3021377) discovered!
1997-08-24Prime M(2976221) discovered!
1996-11-13Prime M(1398269) discovered!

Older and lower profile GIMPS Milestones

DateMiscellaneous milestones
2021-10-06All tests below M(57885161) are verified, officially making it the 48th Mersenne prime.
2018-08-14All exponents below 79.3 million tested at least once. This was the original upper limit for early versions of Prime95.
2018-04-08All tests below M(43112609) are verified, officially making it the 47th Mersenne prime.
2018-02-22All tests below M(42643801) are verified, officially making it the 46th Mersenne prime.
2016-09-02All tests below M(37156667) are verified, officially making it the 45th Mersenne prime.
2015-02-03All exponents below 33 219 253 (10 million digits) verified.
2014-11-08All tests below M(32582657) are verified, officially making it the 44th Mersenne prime.
2014-08-09First 100 million digit number independently verified - M(345678877).
2014-02-23All tests below M(30402457) are verified, officially making it the 43rd Mersenne prime.
2013-03-08First 100 million digit number successfully verified - M(383838383).
2012-12-20All tests below M(25964951) are verified, officially making it the 42nd Mersenne prime.
2012-06-27First 100 million digit number tested for primality without detected errors - M(332194529).
2011-12-01All tests below M(24036583) are verified, officially making it the 41st Mersenne prime.
2010-07-11All tests below M(20996011) are verified, officially making it the 40th Mersenne prime.
2006-07-10All tests below M(13466917) are verified, officially making it the 39th Mersenne prime.
2003-02-02All tests below M(6972593) are verified, officially making it the 38th Mersenne prime.
2001-04-06First 10 million digit number sucessfully verified.
2000-09-25First 10 million digit number tested for primality.
2000-05-19All tests below M(2976221) and M(3021377) are verified, officially making them the 36th and 37th Mersenne primes.
1998-12-26All Mersenne numbers less than a million digits tested at least once.
1998-12-18All tests below M(1398269) are verified, officially making it the 35th Mersenne prime.
1998-03-29All tests below M(1257787) are verified, officially making it the 34th Mersenne prime.
1997-08-30All 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.

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

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

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