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

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MnStatusDetails
638056283Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
13261733569030184592072270.22020-01-14 03:26:51
History
DateUserTypeResult
2020-01-14Smok_bmv F
Factor: 1326173356903018459207 / TF: 70-71
2018-12-29YxinityNF
no factor from 2^69 to 2^70
2017-04-19sasakiNF
no factor from 2^68 to 2^69
2017-02-15sasakiNF
no factor from 2^67 to 2^68
2014-05-27sasakiNF
no factor from 2^65 to 2^67
2012-01-21HBendtzNF
no factor from 2^64 to 2^65
2010-07-31Architects CubedNF
no factor from 2^63 to 2^64