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

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MnStatusDetails
117860143Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6717458952813409778126572479.22023-05-03 10:01:09
P-1 factors
DateFactorB1B2
2023-05-03671745895281340977812657572000572000
History
DateUserTypeResult
2023-05-03ky0urakuF-PM1
Factor: 671745895281340977812657 / (P-1, B1=572000)
2021-12-08laxeyeNF
no factor from 2^76 to 2^77
2021-03-04jwnutterNF
no factor from 2^75 to 2^76
2021-03-04jwnutterNF
no factor from 2^74 to 2^75
2019-11-25Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-11-25Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-04-06endless_mikeNF
no factor from 2^71 to 2^72
2015-04-06endless_mikeNF
no factor from 2^70 to 2^71
2015-04-06endless_mikeNF
no factor from 2^69 to 2^70
2015-04-06endless_mikeNF
no factor from 2^68 to 2^69
2015-03-31Smok_bmv NF
no factor from 2^67 to 2^68
2014-12-15alan145NF
no factor from 2^66 to 2^67
2012-07-20RichardNF
no factor from 2^65 to 2^66
2010-10-14Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-17RichardNF
no factor from 2^63 to 2^64