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
332231983Composite: proven not-prime with PRP test
TF
No factors below 281
TF target 281
P-1
B1 = 2830000
B2 = 68627500
PRP
StatusDateUserResidueShiftTypeBase
Verified2023-02-24Simon Josefsson7CC42A8B2CD509105477041513
History
DateUserTypeResult
2023-10-18James HeinrichNF
no factor from 2^67 to 2^68
2023-02-27KrieselCERT
PRP Certification
CERT proof power = 7
Proof certified good
2023-02-24Simon JosefssonC-PRP
7CC42A8B2CD50910
PRP proof power = 7
PRP: Verified
Proof certified good
2022-12-23Mark RoseNF
no factor from 2^80 to 2^81
2022-12-23Mark RoseNF
no factor from 2^79 to 2^80
2016-07-04aurashiftNF-PM1
B1=2830000, B2=68627500
2011-03-18TheJudgerNF
no factor from 2^78 to 2^79
2011-03-18TheJudgerNF
no factor from 2^77 to 2^78
2011-03-18TheJudgerNF
no factor from 2^76 to 2^77
2011-03-18TheJudgerNF
no factor from 2^75 to 2^76
2011-03-18TheJudgerNF
no factor from 2^74 to 2^75
2011-02-06Team_InspectorNF
no factor from 2^73 to 2^74
2011-01-31Team_InspectorNF
no factor from 2^72 to 2^73
2010-10-18Ethan O'ConnorNF
no factor from 2^71 to 2^72
2010-07-07Grant McCrackenNF
no factor from 2^70 to 2^71
2009-08-31Team_InspectorNF
no factor from 2^69 to 2^70
2009-05-09Team_InspectorNF
no factor from 2^68 to 2^69