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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
100239427Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 276
P-1
B1 = 722000
B2 = 21725000
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-10-13ky0uraku20C37272AC7F0273914257713
History
DateUserTypeResult
2020-10-14Chun sung sooCERT
PRP Certification
CERT proof power = 9
Proof certified good
2020-10-13ky0urakuC-PRP
20C37272AC7F0273
PRP proof power = 9
PRP: Verified
Proof certified good
2020-10-05KrieselNF-PM1
B1=722000, B2=21725000, E=12
2020-07-19penluNF
no factor from 2^75 to 2^76
2020-04-20ktonyNF
no factor from 2^74 to 2^75
2020-02-25ixfd64NF
no factor from 2^73 to 2^74
2020-02-10el groccoNF
no factor from 2^72 to 2^73
2014-12-23workerthreadNF
no factor from 2^71 to 2^72
2013-12-10firereddNF
no factor from 2^70 to 2^71
2013-09-25andorraNF
no factor from 2^69 to 2^70
2013-09-21andorraNF
no factor from 2^68 to 2^69
2013-09-21processinfoNF
no factor from 2^67 to 2^68
2011-03-10Craig MeyersNF
no factor from 2^66 to 2^67
2011-02-06Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-13benthomasNF
no factor from 2^64 to 2^65
2010-01-031997rj7NF
no factor from 2^63 to 2^64