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
97615093Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 915000
B2 = 20816250
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-08-17ky0uraku96750FF1595FD50A7799006013
History
DateUserTypeResult
2020-08-17George WoltmanCERT
PRP Certification
CERT proof power = 9
Proof certified good
2020-08-17ky0urakuC-PRP
96750FF1595FD50A
PRP proof power = 9
PRP: Verified
Proof certified good
2020-08-08Luigi MorelliNF
no factor from 2^76 to 2^77
2020-01-26TheJudgerNF
no factor from 2^75 to 2^76
2019-10-29Niels_Mache_NextcloudNF
no factor from 2^74 to 2^75
2019-10-20Ryan PropperNF-PM1
B1=915000, B2=20816250, E=6
2019-10-20el groccoNF
no factor from 2^73 to 2^74
2019-03-27Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2019-01-05Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-06-19Earle LoweNF
no factor from 2^70 to 2^71
2014-06-17Earle LoweNF
no factor from 2^69 to 2^70
2014-06-16Preben SNF
no factor from 2^68 to 2^69
2014-06-01ANONYMOUSNF
no factor from 2^67 to 2^68
2014-03-27KYOJI_KAMEINF
no factor from 2^66 to 2^67
2014-03-23Andreas_TruetschNF
no factor from 2^65 to 2^66
2011-01-20Architects CubedNF
no factor from 2^64 to 2^65