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
185530757Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
13861768666515882719292270.22019-06-06 19:00:30
History
DateUserTypeResult
2019-06-06Samuel SchmidtF
Factor: 1386176866651588271929 / TF: 70-71
2018-10-26Chabot PrimeNF
no factor from 2^69 to 2^70
2017-06-29arnieNF
no factor from 2^68 to 2^69
2016-07-20rubikvn2100NF
no factor from 2^67 to 2^68
2015-08-13sasakiNF
no factor from 2^66 to 2^67
2013-05-20Lukin DmitryNF
no factor from 2^65 to 2^66
2011-04-01Matteo2DNF
no factor from 2^64 to 2^65
2010-07-28Mark GrantNF
no factor from 2^63 to 2^64