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
253569101Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3850549301250461577192168.42018-06-05 11:14:58
History
DateUserTypeResult
2025-03-14James HeinrichF
Factor: 385054930125046157719 / TF: 68-70
2018-06-05Stanislav_KhokhrinF
Factor: 385054930125046157719 / TF: 68-69
2015-05-26caddrNF
no factor from 2^66 to 2^68
2013-11-09Jan KuipersNF
no factor from 2^65 to 2^66
2011-08-03-Anonymous-NF
no factor from 2^64 to 2^65
2010-03-05lindedNF
no factor from 2^63 to 2^64
2010-03-05lindedNF
no factor from 2^62 to 2^63