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

PrimeNet Exponent Status

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MnStatusDetails
97867219Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 278
TF target 276
P-1
B1 = 715000
B2 = 13406250
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2020-07-09ky0uraku7FB7EEC3806758__3402304713
History
DateUserTypeResult
2020-07-09ky0urakuC-PRP
7FB7EEC3806758__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2020-04-17Oliver KruseNF-PM1
B1=715000, B2=13406250, E=12
2020-04-15SRBaseNF
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
2019-10-30Yves de WandelaarNF
no factor from 2^73 to 2^74
2019-03-13Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-12-30Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-06-16Preben SNF
no factor from 2^70 to 2^71
2014-06-01Preben SNF
no factor from 2^69 to 2^70
2014-03-31symalladNF
no factor from 2^68 to 2^69
2014-03-26symalladNF
no factor from 2^67 to 2^68
2014-02-09sasakiNF
no factor from 2^65 to 2^67
2010-12-30Architects CubedNF
no factor from 2^64 to 2^65