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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
115514387Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 968000
B2 = 77898990
PRP
StatusDateUserResidueShiftTypeBase
Verified2023-09-10mrh132A77309207E315013
History
DateUserTypeResult
2023-09-10curtiscCERT
PRP Certification
CERT proof power = 8
Proof certified good
2023-09-10mrhC-PRP
132A77309207E315
PRP proof power = 8
PRP: Verified
Proof certified good
2022-07-17mrk74NF-PM1
B1=968000, B2=77898990
2022-04-18TheJudgerNF
no factor from 2^76 to 2^77
2021-06-02TheJudgerNF
no factor from 2^75 to 2^76
2021-06-02TheJudgerNF
no factor from 2^74 to 2^75
2020-11-12LOBESNF
no factor from 2^73 to 2^74
2020-04-26SRBaseNF
no factor from 2^72 to 2^73
2015-04-05ZackNF
no factor from 2^71 to 2^72
2015-02-28BronzemanNF
no factor from 2^70 to 2^71
2015-02-28BronzemanNF
no factor from 2^69 to 2^70
2015-02-28BronzemanNF
no factor from 2^68 to 2^69
2015-02-28BronzemanNF
no factor from 2^67 to 2^68
2014-11-27vwflat4NF
no factor from 2^66 to 2^67
2012-06-20sasaki3NF
no factor from 2^65 to 2^66
2010-10-06sasaki3NF
no factor from 2^64 to 2^65
2010-05-08oodairaNF
no factor from 2^63 to 2^64