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

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MnStatusDetails
191079313Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
160412196412894898492872373.82019-05-17 00:00:23
History
DateUserTypeResult
2019-05-17Samuel SchmidtF
Factor: 16041219641289489849287 / TF: 73-74
2019-05-15Johan ViljoenNF
no factor from 2^72 to 2^73
2019-02-23Johan ViljoenNF
no factor from 2^71 to 2^72
2019-01-07Johan ViljoenNF
no factor from 2^70 to 2^71
2018-11-20Chabot PrimeNF
no factor from 2^69 to 2^70
2017-02-17XZTNF
no factor from 2^68 to 2^69
2016-05-16XZTNF
no factor from 2^67 to 2^68
2015-08-30rmaximusNF
no factor from 2^66 to 2^67
2013-06-10Massimo Cappelli (ik5pwa)NF
no factor from 2^65 to 2^66
2011-04-11abcNF
no factor from 2^64 to 2^65
2010-08-03carlos56NF
no factor from 2^63 to 2^64