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

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MnStatusDetails
82363123Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 275
TF target 275
P-1
B1 = 700000
B2 = 14350000
LL
StatusDateUserResidueShift
Unverified2017-11-22Evgeniy Zavialov0A0FAF82F5DE19__35656509
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-11-06-Anonymous-LL double-check0.00 % 2025-11-06
History
DateUserTypeResult
2017-11-22Evgeniy ZavialovC-LL
0A0FAF82F5DE19__
2017-07-23Oliver KruseNF-PM1
B1=700000, B2=14350000, E=12
2016-12-19AirSquirrelsNF
no factor from 2^74 to 2^75
2016-12-19AirSquirrelsNF
no factor from 2^73 to 2^74
2016-11-07Judge HaleNF
no factor from 2^72 to 2^73
2016-11-06Judge HaleNF
no factor from 2^71 to 2^72
2013-11-05SMoffatNF
no factor from 2^70 to 2^71
2013-08-10Grant1eyNF
no factor from 2^69 to 2^70
2013-03-28SMoffatNF
no factor from 2^68 to 2^69
2013-03-27SMoffatNF
no factor from 2^67 to 2^68
2011-03-16-Anonymous-NF
no factor from 2^66 to 2^67
2011-03-14DRHNF
no factor from 2^65 to 2^66
2010-12-11Architects CubedNF
no factor from 2^64 to 2^65