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

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MnStatusDetails
198241103Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
18372219905067691829992270.62015-09-20 11:55:38
History
DateUserTypeResult
2015-09-20demfloroF
Factor: 1837221990506769182999 / TF: 70-71
2015-09-20demfloroNF
no factor from 2^69 to 2^70
2015-09-20demfloroNF
no factor from 2^68 to 2^69
2015-09-20demfloroNF
no factor from 2^66 to 2^68
2013-07-04sasaki3NF
no factor from 2^65 to 2^66
2011-04-26Lukin DmitryNF
no factor from 2^64 to 2^65
2010-08-091997rj7NF
no factor from 2^63 to 2^64