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
85397423Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 685000
B2 = 13528750
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-04-21ky0urakuBC346274FDF631E54702333413
Verified2023-07-24Oliver KruseBC346274FDF631E5013
History
DateUserTypeResult
2023-07-24curtiscCERT
PRP Certification
CERT proof power = 9
Proof certified good
2023-07-24Oliver KruseC-PRP
BC346274FDF631E5
PRP proof power = 9
PRP: Verified
Proof certified good
2018-04-21ky0urakuC-PRP
BC346274FDF631E5
PRP: Verified
PRP without proof (not generated)
2018-01-16Oliver KruseNF-PM1
B1=685000, B2=13528750, E=12
2017-08-27TheJudgerNF
no factor from 2^75 to 2^76
2017-08-21Brian BeuningNF
no factor from 2^74 to 2^75
2017-04-17-Anonymous-NF
no factor from 2^73 to 2^74
2017-03-05Strolling JellyfishNF
no factor from 2^72 to 2^73
2014-01-26nate.andersNF
no factor from 2^71 to 2^72
2013-06-29willmoreNF
no factor from 2^70 to 2^71
2013-03-15zulianNF
no factor from 2^69 to 2^70
2013-03-11gdbutchNF
no factor from 2^68 to 2^69
2013-03-10gdbutchNF
no factor from 2^67 to 2^68
2013-03-10Manfred Künzler SwissNF
no factor from 2^66 to 2^67
2013-03-08E.LechnerNF
no factor from 2^65 to 2^66
2010-11-26Architects CubedNF
no factor from 2^64 to 2^65