Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
193007473Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
29196444318672691316812271.32019-02-04 04:27:47
History
DateUserTypeResult
2019-02-11Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2019-02-04Smok_bmv F
Factor: 2919644431867269131681 / TF: 71-72*
2019-01-31lobsterfordinnerNF
no factor from 2^70 to 2^71
2018-12-01ATHNF
no factor from 2^69 to 2^70
2017-08-16el groccoNF
no factor from 2^68 to 2^69
2016-08-03rubikvn2100NF
no factor from 2^67 to 2^68
2015-09-04KayJongsmaNF
no factor from 2^66 to 2^67
2013-06-17RichardNF
no factor from 2^65 to 2^66
2011-04-16carlos56NF
no factor from 2^64 to 2^65
2010-08-12Kevin JagetNF
no factor from 2^63 to 2^64