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

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MnStatusDetails
86836847Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 276
TF target 275
P-1
B1 = 705000
B2 = 13923750
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2019-10-01Axet Nord191888033320DD__1486491313
History
DateUserTypeResult
2019-10-01Axet NordC-PRP
191888033320DD__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2018-04-22Jacques MOLNENF-PM1
B1=705000, B2=13923750, E=12
2018-02-15Strolling JellyfishNF
no factor from 2^75 to 2^76
2018-02-081997rj7NF
no factor from 2^74 to 2^75
2017-06-07gcardonaNF
no factor from 2^73 to 2^74
2017-04-16Judge HaleNF
no factor from 2^72 to 2^73
2017-04-16Judge HaleNF
no factor from 2^71 to 2^72
2014-08-31PascalBieriNF
no factor from 2^70 to 2^71
2013-11-02C.D.B.NF
no factor from 2^69 to 2^70
2013-08-19pussijussiNF
no factor from 2^68 to 2^69
2013-08-18RobishNF
no factor from 2^67 to 2^68
2013-06-18processinfoNF
no factor from 2^66 to 2^67
2013-01-31LaurVNF
no factor from 2^65 to 2^66
2010-11-23Architects CubedNF
no factor from 2^64 to 2^65