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
161899159Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 278
P-1
B1 = 1401000
B2 = 1529801130
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-10-14S00030227C5EEC656AEC4A013
History
DateUserTypeResult
2024-10-19Luke DurantCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-10-14S00030C-PRP
227C5EEC656AEC4A
PRP proof power = 9
PRP: Verified
Proof certified good
2024-10-10Luke DurantNF-PM1
B1=1401000, B2=1529801130
2024-08-29SRBaseNF
no factor from 2^75 to 2^76
2023-03-16SRBaseNF
no factor from 2^74 to 2^75
2021-11-29SRBaseNF
no factor from 2^73 to 2^74
2018-03-09ZenghuiNF
no factor from 2^72 to 2^73
2018-02-28Choi4KANGNF
no factor from 2^69 to 2^70
2018-02-27ZenghuiNF
no factor from 2^71 to 2^72
2018-02-18ZenghuiNF
no factor from 2^70 to 2^71
2018-02-11La GüiraNF
no factor from 2^69 to 2^70
2017-03-30rubikvn2100NF
no factor from 2^68 to 2^69
2016-03-28XZTNF
no factor from 2^67 to 2^68
2015-05-09HBendtzNF
no factor from 2^66 to 2^67
2013-02-28tscNF
no factor from 2^65 to 2^66
2011-02-04runeskNF
no factor from 2^64 to 2^65
2010-06-30Mr-PlonkNF
no factor from 2^63 to 2^64