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
161719763Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
713860723364330401847832375.92024-08-29 11:37:08
History
DateUserTypeResult
2025-06-05GregF
Factor: 71386072336433040184783 / TF: 75-76
2024-08-29SRBaseF
Factor: 71386072336433040184783 / TF: 75-76*
2023-03-04SRBaseNF
no factor from 2^74 to 2^75
2021-11-27SRBaseNF
no factor from 2^73 to 2^74
2019-01-09workerthreadNF
no factor from 2^72 to 2^73
2018-12-21workerthreadNF
no factor from 2^71 to 2^72
2018-11-10proxy2222NF
no factor from 2^70 to 2^71
2018-06-12proxy2222NF
no factor from 2^69 to 2^70
2017-03-31tscNF
no factor from 2^68 to 2^69
2016-03-26XZTNF
no factor from 2^67 to 2^68
2015-05-09Jan KuipersNF
no factor from 2^66 to 2^67
2013-02-27sasaki3NF
no factor from 2^65 to 2^66
2011-02-03runeskNF
no factor from 2^64 to 2^65
2010-06-30sasaki3NF
no factor from 2^63 to 2^64