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
204108683Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21542790834023054428872270.92019-06-27 03:26:50
History
DateUserTypeResult
2025-05-03James HeinrichF
Factor: 2154279083402305442887 / TF: 70-71
2019-06-27Smok_bmv F
Factor: 2154279083402305442887 / TF: 70-71*
2015-04-01mikrNF
no factor from 2^69 to 2^70
2015-04-01mikrNF
no factor from 2^68 to 2^69
2015-04-01mikrNF
no factor from 2^66 to 2^68
2013-07-23Lukin DmitryNF
no factor from 2^65 to 2^66
2011-05-05Pool PartyNF
no factor from 2^64 to 2^65