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
161384771Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
82192484803680356744392272.82019-06-12 21:00:43
History
DateUserTypeResult
2022-05-22LordJuliusNF
no factor from 2^62 to 2^63
2019-06-12Samuel SchmidtF
Factor: 8219248480368035674439 / TF: 72-73
2018-12-16ZenghuiNF
no factor from 2^71 to 2^72
2018-06-26ZenghuiNF
no factor from 2^70 to 2^71
2018-06-05proxy2222NF
no factor from 2^69 to 2^70
2017-03-27rubikvn2100NF
no factor from 2^68 to 2^69
2016-03-20XZTNF
no factor from 2^67 to 2^68
2015-05-07Simon WendelNF
no factor from 2^66 to 2^67
2013-03-03RichardNF
no factor from 2^65 to 2^66
2011-02-03steinrarNF
no factor from 2^64 to 2^65
2010-06-30Torchwood InstituteNF
no factor from 2^63 to 2^64