GIMPS Milestones

GIMPS Milestones Report

Progress toward next GIMPS milestones (last updated 2017-07-25 22:12:04 UTC, updates every hour)

All exponents below 40,270,751 have been tested and double-checked.
All exponents below 72,128,999 have been tested at least once.

Countdown to first time checking all exponents below 73M: 12 (Estimated completion : 2017-08-11)
Countdown to first time checking all exponents below 74M: 305 (31 still unassigned)
Countdown to first time checking all exponents below M(74207281): 914
Countdown to first time checking all exponents below 75M: 923 (31 still unassigned)

Countdown to double-checking all exponents below 41M: 668 (332 still unassigned)
Countdown to double-checking all exponents below 42M: 7,835 (6,531 still unassigned)

Countdown to proving M(42643801) is the 46th Mersenne Prime: 13,158
Countdown to proving M(43112609) is the 47th Mersenne Prime: 15,540
Countdown to proving M(57885161) is the 48th Mersenne Prime: 264,929
Countdown to proving M(74207281) is the 49th Mersenne Prime: 576,974

Major and Recent GIMPS Milestones

July 8, 2017	All exponents below 72,000,000 tested at least once.
May 27, 2017	All exponents below 40,000,000 double-checked.
September 2, 2016	Double-checking proves M(37156667) is officially the 45th Mersenne prime.
January 7, 2016	Prime M(74207281) discovered!!
January 25, 2013	Prime M(57885161) discovered!!
June 4, 2009	Prime M(42643801) discovered!!
September 6, 2008	Prime M(37156667) discovered!!
August 23, 2008	Prime M(43112609) discovered!!
September 4, 2006	Prime M(32582657) discovered!
December 15, 2005	Prime M(30402457) discovered!
February 18, 2005	Prime M(25964951) discovered!
May 15, 2004	Prime M(24036583) discovered!
November 17, 2003	Prime M(20996011) is discovered!
November 14, 2001	Prime M(13466917) is discovered!
June 1, 1999	Prime M(6972593) is discovered!
January 27, 1998	Prime M(3021377) is discovered!
August 24, 1997	Prime M(2976221) is discovered!
November 13, 1996	Prime M(1398269) is discovered!

Older and lower profile GIMPS Milestones

Date	Miscellaneous milestones
2016-09-02	Double-checking proves M(37156667) is officially the 45th Mersenne prime.
2015-02-03	All exponents up to 33,219,253 (10 million digits) double-checked.
2014-11-08	Double-checking proves M(32582657) is officially the 44th Mersenne prime.
2014-08-09	First 100 million digit number successfully, and independently, double-checked - M(345,678,877).
2014-02-23	Double-checking proves M(30402457) is officially the 43rd Mersenne prime.
2013-03-08	First 100 million digit number successfully double-checked - M(383,838,383).
2012-12-20	Double-checking proves M(25964951) is officially the 42nd Mersenne prime.
2012-06-27	First 100 million digit number tested for primality without errors - M(332,194,529).
2011-12-01	Double-checking proves M(24036583) is officially the 41st Mersenne prime.
2010-07-11	Double-checking proves M(20996011) is officially the 40th Mersenne prime.
2006-07-10	Double-checking proves M(13466917) is officially the 39th Mersenne prime.
2003-02-02	Double-checking proves M(6972593) is officially the 38th Mersenne prime.
2001-04-06	First 10 million digit number sucessfully double-checked.
2000-09-25	First 10 million digit number tested for primality.
2000-05-19	Double-checking proves M(2976221) and M(3021377) are officially the 36th and 37th Mersenne primes.
1998-12-26	All Mersenne numbers less than a million digits tested at least once.
1998-12-18	Double-checking proves M(1398269) is officially the 35th Mersenne prime.
1998-03-29	Double-checking proves M(1257787) is officially the 34th Mersenne prime.
1997-08-30	Double-checking proves M(756839) and M(859433) are officially the 32nd and 33rd Mersenne primes.
1996-Third Quarter	Double-checking proves M(216091) is officially the 31st Mersenne prime.

Date	Mersenne Prime milestones
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
2017-07-08	All exponents below 72,000,000 tested at least once.
2017-03-20	All exponents below 71,000,000 tested at least once.
2016-12-29	All exponents below 70,000,000 tested at least once.
2016-11-19	All exponents below 69,000,000 tested at least once.
2016-09-06	All exponents below 68,000,000 tested at least once.
2016-05-25	All exponents below 67,000,000 tested at least once.
2016-05-11	All exponents below 66,000,000 tested at least once.
2016-05-11	All exponents below 65,000,000 tested at least once.
2016-05-11	All exponents below 64,000,000 tested at least once.
2016-02-19	All exponents below 63,000,000 tested at least once.
2016-02-17	All exponents below 62,000,000 tested at least once.
2016-02-17	All exponents below 61,000,000 tested at least once.
2015-12-26	All exponents below 60,000,000 tested at least once.
2015-12-22	All exponents below 59,000,000 tested at least once.
2015-10-04	All exponents below 58,000,000 tested at least once.
2015-08-09	All exponents below 57,000,000 tested at least once.
2015-08-09	All exponents below 56,000,000 tested at least once.
2015-06-06	All exponents below 55,000,000 tested at least once.
2015-01-05	All exponents below 54,000,000 tested at least once.
2014-11-19	All exponents below 53,000,000 tested at least once.
2014-11-19	All exponents below 52,000,000 tested at least once.
2014-05-01	All exponents below 51,000,000 tested at least once.
2014-04-08	All exponents below 50,000,000 tested at least once.
2014-04-06	All exponents below 49,000,000 tested at least once.
2014-03-26	All exponents below 48,000,000 tested at least once.
2014-03-17	All exponents below 47,000,000 tested at least once.
2014-03-13	All exponents below 46,000,000 tested at least once.
2013-12-11	All exponents below 45,000,000 tested at least once.
2012-11-09	All exponents below 44,000,000 tested at least once.
2012-09-05	All exponents below 43,000,000 tested at least once.
2012-09-05	All exponents below 42,000,000 tested at least once.
2012-08-05	All exponents below 41,000,000 tested at least once.
2012-08-02	All exponents below 40,000,000 tested at least once.
2012-07-22	All exponents below 39,000,000 tested at least once.
2011-07-19	All exponents below 38,000,000 tested at least once.
2010-12-25	All exponents below 37,000,000 tested at least once.
2010-12-25	All exponents below 36,000,000 tested at least once.
2010-12-25	All exponents below 35,000,000 tested at least once.
2010-12-25	All exponents below 34,000,000 tested at least once.
2010-12-25	All exponents below 33,000,000 tested at least once.
2010-12-25	All exponents below 32,000,000 tested at least once.
2010-08-06	All exponents below 31,000,000 tested at least once.
2010-07-29	All exponents below 30,000,000 tested at least once.
2010-07-14	All exponents below 29,000,000 tested at least once.
2010-02-10	All exponents below 28,000,000 tested at least once.
2009-08-18	All exponents below 27,000,000 tested at least once.
2009-04-08	All exponents below 26,000,000 tested at least once.
2009-02-25	All exponents below 25,000,000 tested at least once.
2009-02-23	All exponents below 24,000,000 tested at least once.
2008-12-22*	All exponents below 23,000,000 tested at least once.
2008-10-25*	All exponents below 22,000,000 tested at least once.
2008-08-19*	All exponents below 21,000,000 tested at least once.
2007-12-31	All exponents below 20,000,000 tested at least once.
2007-11-17*	All exponents below 19,000,000 tested at least once.
2006-10-24	All exponents below 18,000,000 tested at least once.
2006-03-01	All exponents below 17,000,000 tested at least once.
2005-12-24	All exponents below 16,000,000 tested at least once.
2005-02-23	All exponents below 15,000,000 tested at least once.
2005-02-12*	All exponents below 14,000,000 tested at least once.
2004-10-03*	All exponents below 13,000,000 tested at least once.
2004-03-09	All exponents below 12,000,000 tested at least once.
2004-01-18*	All exponents below 11,000,000 tested at least once.
2002-07-19	All exponents below 10,000,000 tested at least once.
2002-04-15	All exponents below 9,000,000 tested at least once.
2001-09-25	All exponents below 8,000,000 tested at least once.
2001-09-25*	All exponents below 7,000,000 tested at least once.
2001-04-01	All exponents below 6,000,000 tested at least once.
2000-03-15	All exponents below 5,000,000 tested at least once.
1999-08-19	All exponents below 4,000,000 tested at least once.
1998-09-26*	All exponents below 3,000,000 tested at least once.
1998-03-05	All exponents below 2,000,000 tested at least once.
1997-05-26	All exponents below 1,000,000 tested at least once.
* = estimated

Date	Double checks
2017-05-27	All exponents below 40,000,000 double-checked.
2017-03-04	All exponents below 39,000,000 double-checked.
2016-11-01	All exponents below 38,000,000 double-checked.
2016-09-02	All exponents below 37,000,000 double-checked.
2016-06-01	All exponents below 36,000,000 double-checked.
2016-01-29	All exponents below 35,000,000 double-checked.
2015-05-19	All exponents below 34,000,000 double-checked.
2014-12-21	All exponents below 33,000,000 double-checked.
2014-11-08	All exponents below 32,000,000 double-checked.
2014-10-01	All exponents below 31,000,000 double-checked.
2014-02-14	All exponents below 30,000,000 double-checked.
2014-02-04	All exponents below 29,000,000 double-checked.
2014-01-11	All exponents below 28,000,000 double-checked.
2014-01-09	All exponents below 27,000,000 double-checked.
2012-12-20	All exponents below 26,000,000 double-checked.
2012-08-27	All exponents below 25,000,000 double-checked.
2011-12-01	All exponents below 24,000,000 double-checked.
2011-12-01	All exponents below 23,000,000 double-checked.
2011-04-23	All exponents below 22,000,000 double-checked.
2010-07-11	All exponents below 21,000,000 double-checked.
2010-01-07	All exponents below 20,000,000 double-checked.
2009-10-30	All exponents below 19,000,000 double-checked.
2009-02-23	All exponents below 18,000,000 double-checked.
2008-07-08	All exponents below 17,000,000 double-checked.
2007-12-03	All exponents below 16,000,000 double-checked.
2007-04-23	All exponents below 15,000,000 double-checked.
2006-09-11	All exponents below 14,000,000 double-checked.
2006-06-13	All exponents below 13,000,000 double-checked.
2006-06-13	All exponents below 12,000,000 double-checked.
2005-12-12*	All exponents below 11,000,000 double-checked.
2005-04-26	All exponents below 10,000,000 double-checked.
2004-09-17	All exponents below 9,000,000 double-checked.
2004-02-23	All exponents below 8,000,000 double-checked.
2003-02-27*	All exponents below 7,000,000 double-checked.
2002-12-16	All exponents below 6,000,000 double-checked.
2002-05-02	All exponents below 5,000,000 double-checked.
2001-05-20	All exponents below 4,000,000 double-checked.
2000-05-19*	All exponents below 3,000,000 double-checked.
1999-10-16	All exponents below 2,000,000 double-checked.
1997-10-30	All exponents below 1,000,000 double-checked.
* = estimated

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