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

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MnStatusDetails
139540909Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6680288716937974901734492479.12024-09-23 13:51:02
P-1 factors
DateFactorB1B2
2024-09-2366802887169379749017344911910001295197530
History
DateUserTypeResult
2024-09-23Luke DurantF-PM1
Factor: 668028871693797490173449 / (P-1, B1=1191000, B2=1295197530)
2024-08-15Luke DurantNF
no factor from 2^76 to 2^77
2024-07-14SRBaseNF
no factor from 2^75 to 2^76
2023-01-16SRBaseNF
no factor from 2^74 to 2^75
2021-08-04SRBaseNF
no factor from 2^73 to 2^74
2020-10-23SRBaseNF
no factor from 2^72 to 2^73
2016-08-28mrtNF
no factor from 2^71 to 2^72
2016-08-23arnaudNF
no factor from 2^70 to 2^71
2016-08-22DerekNF
no factor from 2^69 to 2^70
2016-08-22DerekNF
no factor from 2^68 to 2^69
2016-08-01proxy2222NF
no factor from 2^67 to 2^68
2015-02-10HardyP GermanyNF
no factor from 2^66 to 2^67
2012-11-30RichardNF
no factor from 2^65 to 2^66
2010-12-07Mr-PlonkNF
no factor from 2^64 to 2^65
2010-06-13subgeniusNF
no factor from 2^63 to 2^64