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
85917781Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 695000
B2 = 13726250
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-07-16ky0uraku02423DDB52BA68B13861682813
Verified2022-07-20ATH02423DDB52BA68B1013
History
DateUserTypeResult
2022-07-21Remi LucetCERT
PRP Certification
CERT proof power = 8
Proof certified good
2022-07-20ATHC-PRP
02423DDB52BA68B1
PRP proof power = 8
PRP: Verified
Proof certified good
2019-07-16ky0urakuC-PRP
02423DDB52BA68B1
PRP: Verified
PRP without proof (not generated)
2018-02-18TheJudgerNF-PM1
B1=695000, B2=13726250, E=12
2017-10-15TheJudgerNF
no factor from 2^75 to 2^76
2017-10-15TheJudgerNF
no factor from 2^74 to 2^75
2017-05-12-Anonymous-NF
no factor from 2^73 to 2^74
2017-03-16Judge HaleNF
no factor from 2^72 to 2^73
2017-03-16Judge HaleNF
no factor from 2^71 to 2^72
2014-11-29PascalBieriNF
no factor from 2^70 to 2^71
2013-03-07KoekieNF
no factor from 2^69 to 2^70
2013-03-04Florimond C.NF
no factor from 2^68 to 2^69
2013-03-03Sergey NosovNF
no factor from 2^67 to 2^68
2013-02-26Frank RoeselNF
no factor from 2^66 to 2^67
2013-02-26Juergen KampmeierNF
no factor from 2^65 to 2^66
2010-12-25Architects CubedNF
no factor from 2^64 to 2^65