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

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MnStatusDetails
215616097Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6213022279065300749032169.12018-06-04 04:25:27
History
DateUserTypeResult
2025-03-28James HeinrichF
Factor: 621302227906530074903 / TF: 69-70
2018-06-04Smok_bmv F
Factor: 621302227906530074903 / TF: 69-70*
2017-12-28Doug RheaNF
no factor from 2^68 to 2^69
2016-09-07rubikvn2100NF
no factor from 2^67 to 2^68
2015-10-19ANONYMOUSNF
no factor from 2^66 to 2^67
2012-07-07america64NF
no factor from 2^65 to 2^66
2011-05-27Charles A. MorrisNF
no factor from 2^64 to 2^65