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
501981437Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3064918395880178951932168.12017-06-26 11:27:05
History
DateUserTypeResult
2025-03-07James HeinrichF
Factor: 306491839588017895193 / TF: 68-70
2017-06-26Alex_soldierF
Factor: 306491839588017895193 / TF: 68-69*
2016-05-25sasakiNF
no factor from 2^67 to 2^68
2014-11-21sasakiNF
no factor from 2^66 to 2^67
2014-09-27sasakiNF
no factor from 2^65 to 2^66
2011-12-23sasaki3NF
no factor from 2^64 to 2^65
2010-03-14Architects CubedNF
no factor from 2^63 to 2^64