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

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MnStatusDetails
127609553Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
7841677221363257200965508972789.32024-07-19 23:47:41
P-1 factors
DateFactorB1B2
2024-07-1978416772213632572009655089711140001452510150
History
DateUserTypeResult
2024-07-19Luke DurantF-PM1
Factor: 784167722136325720096550897 / (P-1, B1=1114000, B2=1452510150)
2022-12-13TravisJankNF
no factor from 2^76 to 2^77
2022-12-06Kevin JagetNF
no factor from 2^75 to 2^76
2022-12-03Yves de WandelaarNF
no factor from 2^74 to 2^75
2021-07-25SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2016-10-31Choi4KANGNF
no factor from 2^71 to 2^72
2016-08-06Mihai PredaNF
no factor from 2^70 to 2^71
2016-06-24Mihai PredaNF
no factor from 2^69 to 2^70
2016-05-06Mihai PredaNF
no factor from 2^68 to 2^69
2015-09-16el groccoNF
no factor from 2^67 to 2^68
2015-01-21RichardNF
no factor from 2^66 to 2^67
2012-09-24OS1NF
no factor from 2^65 to 2^66
2010-11-05Mr-PlonkNF
no factor from 2^64 to 2^65
2010-06-06RichardNF
no factor from 2^63 to 2^64