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

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MnStatusDetails
56530273Composite: 6 known prime factors
Factored
FactorDigitsBitsDate
339181639928.3old
1577194616711237.22008-09-10 22:35:20
1075355032380731546.62008-09-30 05:31:55
3002801045139591548.12008-09-30 05:31:55
18052965294659211650.72014-06-05 11:38:41
470725825237170578472065.42018-10-04 13:42:17
History
DateUserTypeResult
2023-04-18LordJuliusNF
no factor from 2^71 to 2^72
2023-04-18LordJuliusNF
no factor from 2^70 to 2^71
2023-04-18LordJuliusNF
no factor from 2^69 to 2^70
2021-08-06Seth_TrNF
no factor from 2^65 to 2^66
2019-12-19Seth_TrNF
no factor from 2^68 to 2^69
2019-06-18Seth_TrNF
no factor from 2^67 to 2^68
2019-06-17Seth_TrNF
no factor from 2^66 to 2^67
2018-10-04TJAOIF
Factor: 47072582523717057847 / TF: 65-66
2014-06-05TJAOIF
Factor: 1805296529465921
2008-09-30markrF
Factor: 300280104513959
2008-09-30markrF
Factor: 107535503238073
2008-09-10Will EdgingtonF
Factor: 157719461671