Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
97879261Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 278
TF target 276
P-1
B1 = 860000
B2 = 18275000
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2020-07-03Ben DeloF32F92F48C0FBB__4496568713
History
DateUserTypeResult
2020-07-03Ben DeloC-PRP
F32F92F48C0FBB__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2020-04-25S485122NF-PM1
B1=860000, B2=18275000, E=12
2020-04-17SRBaseNF
no factor from 2^77 to 2^78
2020-02-02TheJudgerNF
no factor from 2^76 to 2^77
2020-01-22TheJudgerNF
no factor from 2^75 to 2^76
2020-01-22TheJudgerNF
no factor from 2^74 to 2^75
2019-11-11ixfd64NF
no factor from 2^73 to 2^74
2019-03-12Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-12-30Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-08-05Spryte72NF
no factor from 2^70 to 2^71
2014-07-28JMGarciaNF
no factor from 2^69 to 2^70
2014-07-24GrunwalderGIMPNF
no factor from 2^68 to 2^69
2014-07-21plandonNF
no factor from 2^67 to 2^68
2014-02-09sasakiNF
no factor from 2^65 to 2^67
2011-01-16Architects CubedNF
no factor from 2^64 to 2^65