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

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MnStatusDetails
101377427Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 276
TF target 276
P-1
B1 = 1045000
B2 = 27431250
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2019-12-24ANONYMOUS193D3D1B4F7C37__6533399913
History
DateUserTypeResult
2020-11-16Architects CubedNF
no factor from 2^75 to 2^76
2020-03-10Mark RoseNF
no factor from 2^74 to 2^75
2020-02-28Architects CubedNF
no factor from 2^73 to 2^74
2020-02-06Yves de WandelaarNF
no factor from 2^72 to 2^73
2019-12-24ANONYMOUSC-PRP
193D3D1B4F7C37__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2019-12-03ANONYMOUSNF-PM1
B1=1045000, B2=27431250, E=6
2014-12-02RichD0NF
no factor from 2^71 to 2^72
2014-10-10shaugeNF
no factor from 2^70 to 2^71
2014-06-07webbertNF
no factor from 2^69 to 2^70
2013-12-23LarryGNF
no factor from 2^68 to 2^69
2013-09-04shaun marienNF
no factor from 2^67 to 2^68
2013-08-25Preben SNF
no factor from 2^66 to 2^67
2012-04-17carlos56NF
no factor from 2^65 to 2^66
2010-08-13Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-04-071997rj7NF
no factor from 2^63 to 2^64