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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
97648907Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 10000000
B2 = 50000000
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-10-31ky0uraku5A33FBB54838AA5F013
History
DateUserTypeResult
2020-10-31Ben DeloCERT
PRP Certification
CERT proof power = 8
Proof certified good
2020-10-31ky0urakuC-PRP
5A33FBB54838AA5F
PRP proof power = 8
PRP: Verified
Proof certified good
2020-10-28ky0urakuNF-PM1
B1=10000000, B2=50000000
2020-02-27Architects CubedNF
no factor from 2^76 to 2^77
2020-02-08Architects CubedNF
no factor from 2^75 to 2^76
2019-11-15La GüiraNF
no factor from 2^74 to 2^75
2019-10-22Ryan PropperNF-PM1
B1=915000, B2=20816250, E=6
2019-10-21Hans LoeblichNF
no factor from 2^73 to 2^74
2019-03-26Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2019-01-05Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2015-01-28SMoffatNF
no factor from 2^70 to 2^71
2015-01-19SMoffatNF
no factor from 2^69 to 2^70
2014-08-11SMoffatNF
no factor from 2^68 to 2^69
2014-07-30SMoffatNF
no factor from 2^67 to 2^68
2014-03-24FranCNF
no factor from 2^66 to 2^67
2014-03-23FranCNF
no factor from 2^65 to 2^66
2010-12-27Architects CubedNF
no factor from 2^64 to 2^65