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
192971671Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
152780688348544137678012373.72019-02-07 03:29:39
History
DateUserTypeResult
2024-05-06GregNF
no factor from 2^72 to 2^73
2019-02-07Smok_bmv F
Factor: 15278068834854413767801 / TF: 73-74
2016-11-25Josh FamestadNF
no factor from 2^72 to 2^73
2015-09-06demfloroNF
no factor from 2^71 to 2^72
2015-09-06demfloroNF
no factor from 2^70 to 2^71
2015-09-06demfloroNF
no factor from 2^69 to 2^70
2015-09-06demfloroNF
no factor from 2^68 to 2^69
2015-09-06demfloroNF
no factor from 2^66 to 2^68
2013-06-15Pool PartyNF
no factor from 2^65 to 2^66
2011-04-16Sergej LevinNF
no factor from 2^64 to 2^65
2010-08-08MurrayInfoSysNF
no factor from 2^63 to 2^64