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
157404691No known factors, not tested for primality
TF
No factors below 278
TF target 278
P-1
B1 = 1298000
B2 = 868840830
History
DateUserTypeResult
2025-06-17RichardNF
no factor from 2^77 to 2^78
2025-02-07Gordon BowerNF
no factor from 2^76 to 2^77
2024-09-06Luke DurantNF-PM1
B1=1298000, B2=868840830
2024-08-22SRBaseNF
no factor from 2^75 to 2^76
2017-11-06ANONYMOUSNF
no factor from 2^74 to 2^75
2017-11-06ANONYMOUSNF
no factor from 2^73 to 2^74
2017-11-06ANONYMOUSNF
no factor from 2^72 to 2^73
2017-11-01-Anonymous-NF
no factor from 2^71 to 2^72
2017-10-22kutensNF
no factor from 2^70 to 2^71
2017-10-21kutensNF
no factor from 2^69 to 2^70
2017-03-12Rolf LarsenNF
no factor from 2^68 to 2^69
2016-05-09ANONYMOUSNF
no factor from 2^67 to 2^68
2015-04-19Robert FolzNF
no factor from 2^66 to 2^67
2013-02-11carlos56NF
no factor from 2^65 to 2^66
2011-01-27runeskNF
no factor from 2^64 to 2^65