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
95091571Composite: proven not-prime with PRP test
TF
No factors below 278
TF target 275
P-1
B1 = 10000000
B2 = 50000000
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-10-26ky0uraku6F004D8F7B5C05FE013
History
DateUserTypeResult
2020-10-26Simon JosefssonCERT
PRP Certification
CERT proof power = 8
Proof certified good
2020-10-26ky0urakuC-PRP
6F004D8F7B5C05FE
PRP proof power = 8
PRP: Verified
Proof certified good
2020-10-23ky0urakuNF-PM1
B1=10000000, B2=50000000
2019-09-08TheJudgerNF
no factor from 2^77 to 2^78
2019-09-08TheJudgerNF
no factor from 2^76 to 2^77
2019-09-08TheJudgerNF
no factor from 2^75 to 2^76
2019-09-08TheJudgerNF
no factor from 2^74 to 2^75
2019-09-08TheJudgerNF
no factor from 2^73 to 2^74
2019-08-31Ryan PropperNF-PM1
B1=935000, B2=22673750, E=6
2019-04-24Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-10-30Andrew BNF
no factor from 2^71 to 2^72
2014-09-27SMoffatNF
no factor from 2^70 to 2^71
2014-03-14hkskypNF
no factor from 2^69 to 2^70
2014-02-18g0bNF
no factor from 2^68 to 2^69
2014-02-09Carsten KossendeyNF
no factor from 2^65 to 2^68
2011-01-15Architects CubedNF
no factor from 2^64 to 2^65