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

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MnStatusDetails
258055583Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
16402040407826863550332270.52019-10-25 03:21:33
History
DateUserTypeResult
2025-04-14James HeinrichF
Factor: 1640204040782686355033 / TF: 70-71
2019-10-25Smok_bmv F
Factor: 1640204040782686355033 / TF: 70-71*
2019-05-02Mr-PlonkNF
no factor from 2^69 to 2^70
2018-06-15MrSupp_CZNF
no factor from 2^68 to 2^69
2016-08-17XZTNF
no factor from 2^67 to 2^68
2015-12-18tscNF
no factor from 2^66 to 2^67
2013-11-17tscNF
no factor from 2^65 to 2^66
2011-08-07Mr-PlonkNF
no factor from 2^64 to 2^65
2010-03-10oodairaNF
no factor from 2^63 to 2^64
2010-03-10oodairaNF
no factor from 2^62 to 2^63