Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
248021183Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12434067302855304361692270.12019-10-08 19:07:40
History
DateUserTypeResult
2025-04-15James HeinrichF
Factor: 1243406730285530436169 / TF: 70-71
2019-10-08Smok_bmv F
Factor: 1243406730285530436169 / TF: 70-71*
2019-03-17Chabot PrimeNF
no factor from 2^69 to 2^70
2018-05-25Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2016-10-20Dave BellNF
no factor from 2^67 to 2^68
2015-12-13el groccoNF
no factor from 2^66 to 2^67
2014-04-28tscNF
no factor from 2^65 to 2^66
2011-07-22ALSNF
no factor from 2^64 to 2^65