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
154191467No known factors, not tested for primality
TF
No factors below 278
TF target 278
P-1
B1 = 1315000
B2 = 1832867400
History
DateUserTypeResult
2025-05-15JohnnyBGoodNF-PM1
B1=1315000, B2=1832867400
2025-05-11ElectricBillNF
no factor from 2^77 to 2^78
2024-12-19Dave LeCompteNF
no factor from 2^76 to 2^77
2024-08-13SRBaseNF
no factor from 2^75 to 2^76
2024-07-29Wentao HuangNF
no factor from 2^68 to 2^69
2023-02-16SRBaseNF
no factor from 2^74 to 2^75
2017-06-28La GüiraNF
no factor from 2^73 to 2^74
2017-06-28La GüiraNF
no factor from 2^72 to 2^73
2017-06-28La GüiraNF
no factor from 2^71 to 2^72
2017-01-04workerthreadNF
no factor from 2^70 to 2^71
2017-01-01workerthreadNF
no factor from 2^69 to 2^70
2016-06-26DerekNF
no factor from 2^68 to 2^69
2016-04-29rubikvn2100NF
no factor from 2^67 to 2^68
2015-04-06guruNF
no factor from 2^66 to 2^67
2013-01-29sasaki3NF
no factor from 2^65 to 2^66
2011-01-20Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-06-25Mr-PlonkNF
no factor from 2^63 to 2^64