Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
93011557Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 277
TF target 275
P-1
B1 = 720000
B2 = 13860000
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2020-02-07Ben Delo8750AA668097C9__1368735113
History
DateUserTypeResult
2020-02-07Ben DeloC-PRP
8750AA668097C9__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2019-12-21Hans LoeblichNF-PM1
B1=720000, B2=13860000, E=12
2019-08-12TheJudgerNF
no factor from 2^76 to 2^77
2019-03-28KrieselNF
no factor from 2^75 to 2^76
2019-03-10KrieselNF
no factor from 2^74 to 2^75
2019-03-07KrieselNF
no factor from 2^73 to 2^74
2019-02-11DerekNF
no factor from 2^72 to 2^73
2018-05-27Xie ShiquanNF
no factor from 2^71 to 2^72
2014-09-19shaugeNF
no factor from 2^70 to 2^71
2014-02-10Ryan PropperNF
no factor from 2^69 to 2^70
2014-02-09Ryan PropperNF
no factor from 2^68 to 2^69
2014-02-09Ryan PropperNF
no factor from 2^67 to 2^68
2014-02-09Ryan PropperNF
no factor from 2^66 to 2^67
2013-07-17David CampeauNF
no factor from 2^65 to 2^66
2011-01-11Architects CubedNF
no factor from 2^64 to 2^65