Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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Exponent Range:










MnStatusDetails
156744209No known factors, not tested for primality
TF
No factors below 277
TF target 278
P-1
B1 = 1298000
B2 = 993095040
History
DateUserTypeResult
2025-01-10ElectricBillNF
no factor from 2^76 to 2^77
2024-09-08Luke DurantNF-PM1
B1=1298000, B2=993095040
2024-08-19SRBaseNF
no factor from 2^75 to 2^76
2024-05-06GregNF
no factor from 2^68 to 2^69
2023-02-22SRBaseNF
no factor from 2^74 to 2^75
2021-11-30SRBaseNF
no factor from 2^73 to 2^74
2018-08-18David HruskaNF
no factor from 2^72 to 2^73
2017-11-25treborNF
no factor from 2^71 to 2^72
2017-10-17treborNF
no factor from 2^70 to 2^71
2017-04-21PALKOTAMASNF
no factor from 2^69 to 2^70
2016-07-21Josh FamestadNF
no factor from 2^68 to 2^69
2016-05-07Jan KuipersNF
no factor from 2^67 to 2^68
2015-04-16tscNF
no factor from 2^66 to 2^67
2013-02-11RichardNF
no factor from 2^65 to 2^66
2011-04-08Rob_DeeNF
no factor from 2^64 to 2^65