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
85371197Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 680000
B2 = 13260000
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-05-27ky0urakuD517C8ABCCC40ACB5595945813
Verified2023-04-23Remi LucetD517C8ABCCC40ACB8394590313
History
DateUserTypeResult
2023-04-23curtiscCERT
PRP Certification
CERT proof power = 9
Proof certified good
2023-04-23Remi LucetC-PRP
D517C8ABCCC40ACB
PRP proof power = 9
PRP: Verified
Proof certified good
2019-05-27ky0urakuC-PRP
D517C8ABCCC40ACB
PRP: Verified
PRP without proof (not generated)
2019-04-28ATHNF
no factor from 2^63 to 2^64
2019-04-28ATHNF
no factor from 2^1 to 2^63
2018-01-07Brian BeuningNF-PM1
B1=680000, B2=13260000, E=6
2017-09-17TheJudgerNF
no factor from 2^75 to 2^76
2017-09-15-Anonymous-NF
no factor from 2^74 to 2^75
2017-04-22-Anonymous-NF
no factor from 2^73 to 2^74
2017-03-04Strolling JellyfishNF
no factor from 2^72 to 2^73
2014-01-20nate.andersNF
no factor from 2^71 to 2^72
2013-06-29willmoreNF
no factor from 2^70 to 2^71
2013-03-13Florimond C.NF
no factor from 2^69 to 2^70
2013-03-12Florimond C.NF
no factor from 2^68 to 2^69
2013-03-11timc995NF
no factor from 2^67 to 2^68
2013-03-10GrunwalderGIMPNF
no factor from 2^66 to 2^67
2013-03-10E.LechnerNF
no factor from 2^65 to 2^66
2010-11-26Architects CubedNF
no factor from 2^64 to 2^65