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
420044983Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
18265978512930820073832270.62019-11-06 03:34:21
History
DateUserTypeResult
2019-11-06Smok_bmv F
Factor: 1826597851293082007383 / TF: 70-71
2018-11-26sasakiNF
no factor from 2^69 to 2^70
2017-11-01sasakiNF
no factor from 2^68 to 2^69
2014-02-19NRNF
no factor from 2^67 to 2^68
2014-02-13NRNF
no factor from 2^66 to 2^67
2014-02-10NRNF
no factor from 2^65 to 2^66