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

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MnStatusDetails
79267627Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 276
TF target 275
P-1
B1 = 695000
B2 = 14247500
LL
StatusDateUserResidueShift
Unverified2018-04-26Strolling Jellyfish097B0E40A87E04__63314849
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-09-22oaslLL double-checkLL67.45 % 2025-10-21
History
DateUserTypeResult
2025-08-06ElectricBillNF
no factor from 2^75 to 2^76
2018-04-26Strolling JellyfishC-LL
097B0E40A87E04__
2017-02-02bamNF-PM1
B1=695000, B2=14247500
2016-08-08Mark RoseNF
no factor from 2^74 to 2^75
2016-08-08Mark RoseNF
no factor from 2^73 to 2^74
2016-08-01hiner112NF
no factor from 2^72 to 2^73
2014-01-10ANONYMOUSNF
no factor from 2^71 to 2^72
2013-07-13David HruskaNF
no factor from 2^70 to 2^71
2013-05-29PascalBieriNF
no factor from 2^69 to 2^70
2013-05-03c10ck3rNF
no factor from 2^68 to 2^69
2012-09-30AxelssonNF
no factor from 2^67 to 2^68
2011-04-26Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-11-17duklaNF
no factor from 2^65 to 2^66