Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
86631053Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 700000
B2 = 13825000
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-09-09ky0urakuC20B19870B24ECD61677004013
Verified2025-02-19GdSC20B19870B24ECD6013
History
DateUserTypeResult
2025-02-19ANONYMOUSCERT
PRP Certification
CERT proof power = 10
Proof certified good
2025-02-19GdSC-PRP
C20B19870B24ECD6
PRP proof power = 10
PRP: Verified
Proof certified good
2019-09-09ky0urakuC-PRP
C20B19870B24ECD6
PRP: Verified
PRP without proof (not generated)
2018-03-23Alvin BunkNF-PM1
B1=700000, B2=13825000, E=6
2018-02-18TheJudgerNF
no factor from 2^75 to 2^76
2018-02-16Brian BeuningNF
no factor from 2^74 to 2^75
2017-05-19-Anonymous-NF
no factor from 2^73 to 2^74
2017-04-27Strolling JellyfishNF
no factor from 2^72 to 2^73
2017-04-27Strolling JellyfishNF
no factor from 2^71 to 2^72
2013-06-16SMoffatNF
no factor from 2^70 to 2^71
2013-03-22Naldo DJNF
no factor from 2^69 to 2^70
2013-03-02saffaNF
no factor from 2^68 to 2^69
2013-03-01saffaNF
no factor from 2^67 to 2^68
2010-11-29Michael CNF
no factor from 2^66 to 2^67
2010-11-29Michael CNF
no factor from 2^65 to 2^66
2010-10-24Michael CNF
no factor from 2^64 to 2^65