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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
164495581Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 278
P-1
B1 = 1401000
B2 = 1247291760
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-11-27xyuzyz0843E6CDAC222FB114188961913
History
DateUserTypeResult
2024-11-27freiburgerCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-11-27xyuzyzC-PRP
0843E6CDAC222FB1
PRP proof power = 8
PRP: Verified
Proof certified good
2024-09-26Luke DurantNF-PM1
B1=1401000, B2=1247291760
2024-09-05SRBaseNF
no factor from 2^75 to 2^76
2023-03-09SRBaseNF
no factor from 2^74 to 2^75
2021-12-05SRBaseNF
no factor from 2^73 to 2^74
2019-03-25ANONYMOUSNF
no factor from 2^72 to 2^73
2019-02-06ANONYMOUSNF
no factor from 2^71 to 2^72
2018-11-13proxy2222NF
no factor from 2^70 to 2^71
2017-04-23YxinityNF
no factor from 2^69 to 2^70
2017-04-23YxinityNF
no factor from 2^68 to 2^69
2016-05-25mikeblasNF
no factor from 2^67 to 2^68
2015-05-22tscNF
no factor from 2^66 to 2^67
2013-03-15RichardNF
no factor from 2^65 to 2^66
2011-02-14RichardNF
no factor from 2^64 to 2^65
2010-07-03Torchwood InstituteNF
no factor from 2^63 to 2^64