Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
128857667Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1124000
B2 = 1501684800
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-08-17Luke Durant11D9632516B916DC013
History
DateUserTypeResult
2024-08-17Luke DurantCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-08-17Luke DurantC-PRP
11D9632516B916DC
PRP proof power = 8
PRP: Verified
Proof certified good
2024-07-28Luke DurantNF-PM1
B1=1124000, B2=1501684800
2024-05-06GregNF
no factor from 2^71 to 2^72
2023-02-02TravisJankNF
no factor from 2^76 to 2^77
2023-02-02TravisJankNF
no factor from 2^75 to 2^76
2022-12-27SRBaseNF
no factor from 2^74 to 2^75
2019-05-28Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-05-28Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2016-06-16Josh FamestadNF
no factor from 2^71 to 2^72
2016-06-12proxy2222NF
no factor from 2^70 to 2^71
2015-12-13La GüiraNF
no factor from 2^69 to 2^70
2015-12-13La GüiraNF
no factor from 2^68 to 2^69
2015-12-13La GüiraNF
no factor from 2^67 to 2^68
2015-01-11ANONYMOUSNF
no factor from 2^66 to 2^67
2012-10-07RichardNF
no factor from 2^65 to 2^66
2010-11-11seamindNF
no factor from 2^64 to 2^65
2010-05-30sasaki3NF
no factor from 2^63 to 2^64