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
219584203Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
15938394800139553622572270.42020-03-02 03:34:37
History
DateUserTypeResult
2020-03-02Alexander TsupkoF
Factor: 1593839480013955362257
2019-02-14Chabot PrimeNF
no factor from 2^69 to 2^70
2018-02-06Eve RestNF
no factor from 2^68 to 2^69
2016-09-13rubikvn2100NF
no factor from 2^67 to 2^68
2015-10-18rob147147NF
no factor from 2^66 to 2^67
2013-08-26RichardNF
no factor from 2^65 to 2^66
2011-06-03Lukin DmitryNF
no factor from 2^64 to 2^65