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
154671521No known factors, not tested for primality
TF
No factors below 278
TF target 278
P-1
B1 = 1404000
B2 = 2595602100
History
DateUserTypeResult
2025-06-22zhangstNF
no factor from 2^77 to 2^78
2025-06-13JohnnyBGoodNF-PM1
B1=1404000, B2=2595602100
2025-02-08RichardNF
no factor from 2^76 to 2^77
2024-08-19SRBaseNF
no factor from 2^75 to 2^76
2023-02-16SRBaseNF
no factor from 2^74 to 2^75
2021-11-15SRBaseNF
no factor from 2^73 to 2^74
2017-10-14David HruskaNF
no factor from 2^72 to 2^73
2017-09-08David HruskaNF
no factor from 2^71 to 2^72
2017-08-08David HruskaNF
no factor from 2^70 to 2^71
2017-07-11La GüiraNF
no factor from 2^69 to 2^70
2017-03-02ANONYMOUSNF
no factor from 2^68 to 2^69
2016-04-29ANONYMOUSNF
no factor from 2^67 to 2^68
2015-04-14RichardNF
no factor from 2^66 to 2^67
2013-02-18RichardNF
no factor from 2^65 to 2^66
2011-01-21Mr-PlonkNF
no factor from 2^64 to 2^65
2010-06-26Charles A. MorrisNF
no factor from 2^63 to 2^64