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

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MnStatusDetails
258541663Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4712293407170196608332168.72018-06-16 19:10:54
History
DateUserTypeResult
2025-03-10James HeinrichF
Factor: 471229340717019660833 / TF: 68-70
2018-06-16Stanislav_KhokhrinF
Factor: 471229340717019660833 / TF: 68-69
2016-08-19XZTNF
no factor from 2^67 to 2^68
2015-12-18ANONYMOUSNF
no factor from 2^66 to 2^67
2014-05-17sasaki3NF
no factor from 2^65 to 2^66
2011-10-08CorbyguyNF
no factor from 2^64 to 2^65
2010-03-11James HintzNF
no factor from 2^63 to 2^64
2010-03-11James HintzNF
no factor from 2^62 to 2^63