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

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MnStatusDetails
786013483Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19721517831564208295832270.72020-04-23 16:20:09
History
DateUserTypeResult
2020-04-23Smok_bmv F
Factor: 1972151783156420829583 / TF: 70-71
2014-02-18monstNF
no factor from 2^66 to 2^70
2013-10-29america64NF
no factor from 2^65 to 2^66
2011-08-20monstNF
no factor from 2^64 to 2^65
2010-04-24Architects CubedNF
no factor from 2^63 to 2^64