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

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MnStatusDetails
172490287Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
50638161354976881890412272.12019-03-21 03:24:03
History
DateUserTypeResult
2019-03-21Smok_bmv F
Factor: 5063816135497688189041 / TF: 72-73*
2019-03-16Smok_bmv NF
no factor from 2^71 to 2^72
2018-03-09ZenghuiNF
no factor from 2^70 to 2^71
2016-12-20Adam BuranNF
no factor from 2^69 to 2^70
2016-10-14nate.andersNF
no factor from 2^68 to 2^69
2016-06-04SADMASTERNF
no factor from 2^67 to 2^68
2015-06-24SnowfireNF
no factor from 2^66 to 2^67
2013-04-05ChrisleroyNF
no factor from 2^65 to 2^66
2011-02-27Mr-PlonkNF
no factor from 2^64 to 2^65
2010-07-12Charles A. MorrisNF
no factor from 2^63 to 2^64