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
147794347Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
15551471688727121213032270.42017-04-07 20:14:20
History
DateUserTypeResult
2025-04-25James HeinrichF
Factor: 1555147168872712121303 / TF: 70-71
2017-04-07d3zorgF
Factor: 1555147168872712121303 / TF: 70-71
2017-04-05treborNF
no factor from 2^69 to 2^70
2017-02-19vwflat4NF
no factor from 2^68 to 2^69
2016-03-18DerekNF
no factor from 2^67 to 2^68
2015-03-09aurashiftNF
no factor from 2^66 to 2^67
2013-01-02Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-01-04sasaki3NF
no factor from 2^64 to 2^65