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
485971177Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4480101539843370740232168.62017-06-19 21:40:11
History
DateUserTypeResult
2025-03-07James HeinrichF
Factor: 448010153984337074023 / TF: 68-70
2017-06-19Alex_soldierF
Factor: 448010153984337074023 / TF: 68-69*
2016-06-27sasakiNF
no factor from 2^67 to 2^68
2016-03-26sasakiNF
no factor from 2^66 to 2^67
2014-10-18Chih-Wei HuangNF
no factor from 2^65 to 2^66