Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:
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MnStatusDetails
43993823No factors below 273
P-1
B1=530 000
B2=15 105 000
LL
StatusDateUserResidueShift
Bad2010-09-14dflowers5A350DF754761C6830199669
Verified2015-11-02George Woltman476D7C1C36E637C022505352
Verified2016-09-11kkmrkkblmbrbk476D7C1C36E637C035979641
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2016-07-05-Anonymous-LL double-checkLL0.1 % 2016-07-162016-08-25
2016-05-25Whatsin AnameLL double-check0.0 % 2016-05-252016-07-04
2016-04-14-Anonymous-LL double-check0.0 % 2016-04-142016-05-24
2016-03-04-Anonymous-LL double-check0.0 % 2016-03-042016-04-13
2016-01-21_DarkNES_HLL double-check0.0 % 2016-01-212016-03-01
History
DateUserTypeResult
2018-08-09-Anonymous-NFno factor from 2^72 to 2^73
2016-09-11kkmrkkblmbrbkC-LL476D7C1C36E637C0
2015-11-02George WoltmanC-LL476D7C1C36E637C0
2015-07-24Mark RoseNFno factor from 2^71 to 2^72
2015-06-20Mark RoseNFno factor from 2^70 to 2^71
2015-04-26LaurVNFno factor from 2^69 to 2^70
2014-03-14bayanneNFno factor from 2^68 to 2^69
2010-09-14dflowersC-LL5A350DF754761C68
2010-07-20dflowersNF-PM1B1=530000, B2=15105000, E=6
2007-09-28WileECoyoteNFno factor to 2^68
2007-08-14abcNFno factor to 2^63