Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
70202087Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 276
TF target 274
P-1
B1 = 685000
B2 = 15241250
LL
StatusDateUserResidueShift
Unverified2014-10-12Rainchill51B881DDE5ED0E__60460023
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-07-15-Anonymous-LL double-checkLL54.71 % 2024-09-15
History
DateUserTypeResult
2024-10-31tinnderboxNF
no factor from 2^75 to 2^76
2016-09-27monstNF
no factor from 2^74 to 2^75
2015-01-18megavinkNF
no factor from 2^73 to 2^74
2014-10-12RainchillC-LL
51B881DDE5ED0E__
2014-09-25RainchillNF-PM1
B1=685000, B2=15241250, E=12
2014-09-23RichD0NF
no factor from 2^72 to 2^73
2014-09-04srow7NF
no factor from 2^71 to 2^72
2013-04-04ahmeraliNF
no factor to 2^71
2009-08-13tscNF
no factor to 2^70
2008-11-28Wojciech FlorekNF
no factor to 2^64