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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
213416647Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
660019215107543958585432375.82024-11-27 15:54:34
History
DateUserTypeResult
2024-11-27SRBaseF
Factor: 66001921510754395858543 / TF: 75-76*
2020-12-26jiafeimao615NF
no factor from 2^74 to 2^75
2020-12-26jiafeimao615NF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2020-06-13SRBaseNF
no factor from 2^71 to 2^72
2020-01-19Chabot PrimeNF
no factor from 2^70 to 2^71
2018-05-26ZenghuiNF
no factor from 2^69 to 2^70
2017-02-03Choi4KANGNF
no factor from 2^68 to 2^69
2013-12-12america64NF
no factor from 2^67 to 2^68
2013-01-10america64NF
no factor from 2^66 to 2^67
2012-05-28america64NF
no factor from 2^65 to 2^66
2011-05-23sasaki3NF
no factor from 2^64 to 2^65