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
206059663Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
4229536948334579553592168.52017-10-12 07:47:21
6366601599791839029532169.12025-03-24 01:20:44
History
DateUserTypeResult
2025-03-24James HeinrichF
Factors: 422953694833457955359,636660159979183902953 / TF: 68-70
2017-10-12NickF
Factor: 422953694833457955359 / TF: 68-69
2016-08-29XolotlNF
no factor from 2^67 to 2^68
2015-09-23rob147147NF
no factor from 2^66 to 2^67
2013-07-31KayJongsmaNF
no factor from 2^65 to 2^66
2011-05-09sasaki3NF
no factor from 2^64 to 2^65