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
148931527No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 1267000
B2 = 1143553620
History
DateUserTypeResult
2025-10-07MichaelPrime314NF
no factor from 2^77 to 2^78
2025-02-26Kamil GorskiNF
no factor from 2^76 to 2^77
2024-09-18Luke DurantNF-PM1
B1=1267000, B2=1143553620
2024-07-29SRBaseNF
no factor from 2^75 to 2^76
2023-02-03SRBaseNF
no factor from 2^74 to 2^75
2021-11-13SRBaseNF
no factor from 2^73 to 2^74
2016-07-28Mihai PredaNF
no factor from 2^72 to 2^73
2016-07-02Mihai PredaNF
no factor from 2^71 to 2^72
2016-06-12Mihai PredaNF
no factor from 2^70 to 2^71
2015-04-12La GüiraNF
no factor from 2^69 to 2^70
2015-04-12La GüiraNF
no factor from 2^68 to 2^69
2015-03-15Andrew BNF
no factor from 2^67 to 2^68
2015-03-13Karol TNF
no factor from 2^66 to 2^67
2013-01-07sasaki3NF
no factor from 2^65 to 2^66
2011-01-14carlos56NF
no factor from 2^64 to 2^65