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

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MnStatusDetails
193320157Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5182343834147814275512168.82017-08-19 15:31:43
History
DateUserTypeResult
2025-03-24James HeinrichF
Factor: 518234383414781427551 / TF: 68-70
2017-08-19NickF
Factor: 518234383414781427551 / TF: 68-69
2016-08-10rubikvn2100NF
no factor from 2^67 to 2^68
2015-09-05S. EichsteiningerNF
no factor from 2^66 to 2^67
2013-06-16sasaki3NF
no factor from 2^65 to 2^66
2011-04-19RMAC9.5NF
no factor from 2^64 to 2^65
2010-08-04Torchwood InstituteNF
no factor from 2^63 to 2^64