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

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MnStatusDetails
213269417Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4000065389324668244812168.42017-11-30 20:46:26
History
DateUserTypeResult
2025-03-14James HeinrichF
Factor: 400006538932466824481 / TF: 68-70
2017-11-30AlissonF
Factor: 400006538932466824481 / TF: 68-69
2012-08-28america64NF
no factor from 2^67 to 2^68
2012-08-09america64NF
no factor from 2^66 to 2^67
2012-05-19america64NF
no factor from 2^65 to 2^66
2011-05-23Sid & AndyNF
no factor from 2^64 to 2^65