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
193292051Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6228078533561521076412169.12016-11-29 01:30:59
History
DateUserTypeResult
2025-04-05James HeinrichF
Factor: 622807853356152107641 / TF: 69-70
2016-11-29d3zorgF
Factor: 622807853356152107641 / TF: 69-70
2016-11-27Adam BuranNF
no factor from 2^68 to 2^69
2016-08-04OS1NF
no factor from 2^67 to 2^68
2015-09-06tscNF
no factor from 2^66 to 2^67
2013-06-16i-neumannNF
no factor from 2^65 to 2^66
2011-04-16dslNF
no factor from 2^64 to 2^65
2010-08-07RichardNF
no factor from 2^63 to 2^64