Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
904475389Factored
FactorDigitsBitsDate
9879422720420438406892169.72017-10-05 18:10:33
History
DateUserTypeResult
2017-10-05ConductorF
Factor: 987942272042043840689 / TF: 69-70
2017-03-31ConductorNF
no factor from 2^68 to 2^69
2016-06-17ConductorNF
no factor from 2^67 to 2^68
2015-02-04Gordon SpenceNF
no factor from 2^66 to 2^67
2013-04-25ramgeisNF
no factor from 2^65 to 2^66
2011-10-11BJBNF
no factor from 2^64 to 2^65
2010-07-07lindedNF
no factor from 2^63 to 2^64