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
40340723No factors below 275
P-1
B1=490 000
B2=13 965 000
LL
StatusDateUserResidueShift
Bad2008-10-15Daniel Livingston84198E0A08427E0D32706286
Verified2016-08-05endless_mikeDC47BF20BBF0243F18510250
Verified2016-09-08Mark RoseDC47BF20BBF0243F21207560
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2016-04-03-Anonymous-LL double-check0.0 % 2016-04-032016-05-13
2016-02-22-Anonymous-LL double-checkLL0.0 % 2016-02-222016-04-02
2016-01-12-Anonymous-LL double-check0.0 % 2016-01-122016-02-21
2015-12-02-Anonymous-LL double-check0.0 % 2015-12-022016-01-11
2015-10-22-Anonymous-LL double-check0.0 % 2015-10-222015-12-01
2015-09-11-Anonymous-LL double-check0.0 % 2015-09-112015-10-21
2015-08-01-Anonymous-LL double-check0.0 % 2015-08-012015-09-10
2015-06-21-Anonymous-LL double-check0.0 % 2015-06-212015-07-31
2015-05-11-Anonymous-LL double-check0.0 % 2015-05-112015-06-20
History
DateUserTypeResult
2020-10-13Sid & AndyNFno factor from 2^74 to 2^75
2020-01-01-Anonymous-NFno factor from 2^73 to 2^74
2019-10-04-Anonymous-NFno factor from 2^72 to 2^73
2016-09-08Mark RoseC-LLDC47BF20BBF0243F
2016-08-05endless_mikeC-LLDC47BF20BBF0243F
2015-03-06Gordon SpenceNFno factor from 2^71 to 2^72
2014-12-19tigreroarsNFno factor from 2^70 to 2^71
2014-12-19tigreroarsNFno factor from 2^69 to 2^70
2013-10-27VictordeHollanderNFno factor from 2^68 to 2^69
2008-10-14-Anonymous-C-LL84198E0A08427E0D
2008-08-26-Anonymous-NF-PM1B1=490000, B2=13965000
2007-01-16-Anonymous-NFno factor to 2^68