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
153055081Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
15549948758205987033292270.42017-05-25 05:50:36
History
DateUserTypeResult
2025-04-24James HeinrichF
Factor: 1554994875820598703329 / TF: 70-71
2017-05-25d3zorgF
Factor: 1554994875820598703329 / TF: 70-71
2017-05-23La GüiraNF
no factor from 2^69 to 2^70
2015-02-06mikrNF
no factor from 2^68 to 2^69
2015-02-06mikrNF
no factor from 2^66 to 2^68
2013-01-25sasaki3NF
no factor from 2^65 to 2^66
2011-01-18sasaki3NF
no factor from 2^64 to 2^65
2010-06-24Charles A. MorrisNF
no factor from 2^63 to 2^64