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
210705427Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
81395829546277956065032272.82020-10-22 04:06:13
History
DateUserTypeResult
2020-10-22Smok_bmv F
Factor: 8139582954627795606503 / TF: 72-73
2020-06-12SRBaseNF
no factor from 2^71 to 2^72
2019-12-25Chabot PrimeNF
no factor from 2^70 to 2^71
2017-12-18RichardNF
no factor from 2^68 to 2^69
2017-11-24YxinityNF
no factor from 2^69 to 2^70
2017-11-24YxinityNF
no factor from 2^68 to 2^69
2016-08-11XZTNF
no factor from 2^67 to 2^68
2015-10-04rob147147NF
no factor from 2^66 to 2^67
2013-08-13David CampeauNF
no factor from 2^65 to 2^66
2011-05-18carlos56NF
no factor from 2^64 to 2^65