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
166985893Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 278
P-1
B1 = 1393000
B2 = 888201600
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-10-16-Anonymous-5B748159DE1207FA3083828513
History
DateUserTypeResult
2024-10-25Architects CubedNF
no factor from 2^75 to 2^76
2024-10-19George WoltmanCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-10-16-Anonymous-C-PRP
5B748159DE1207FA
PRP proof power = 8
PRP: Verified
Proof certified good
2024-08-13Luke DurantNF-PM1
B1=1393000, B2=888201600
2023-03-12SRBaseNF
no factor from 2^74 to 2^75
2018-03-01La GüiraNF
no factor from 2^73 to 2^74
2018-03-01La GüiraNF
no factor from 2^72 to 2^73
2018-03-01La GüiraNF
no factor from 2^71 to 2^72
2018-02-07workerthreadNF
no factor from 2^70 to 2^71
2018-02-04workerthreadNF
no factor from 2^69 to 2^70
2017-04-20XolotlNF
no factor from 2^68 to 2^69
2016-04-13XZTNF
no factor from 2^67 to 2^68
2015-06-09RichardNF
no factor from 2^66 to 2^67
2013-03-18MucolNF
no factor from 2^65 to 2^66
2011-02-13runeskNF
no factor from 2^64 to 2^65
2010-07-06sasaki3NF
no factor from 2^63 to 2^64