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
869169083Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12381375502559860741692270.12019-02-12 04:35:01
History
DateUserTypeResult
2025-03-11James HeinrichF
Factor: 1238137550255986074169 / TF: 70-71
2019-02-12Smok_bmv F
Factor: 1238137550255986074169 / TF: 70-71*
2016-11-06ramgeisNF
no factor from 2^68 to 2^70
2015-09-23sasakiNF
no factor from 2^67 to 2^68
2015-03-17sasakiNF
no factor from 2^66 to 2^67
2011-10-28laleraNF
no factor from 2^64 to 2^66
2010-07-17lindedNF
no factor from 2^63 to 2^64