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
477128497Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4233421952853906632392168.52017-12-23 07:30:05
History
DateUserTypeResult
2017-12-23ky0urakuF
Factor: 423342195285390663239 / TF: 68-69
2016-06-11sasakiNF
no factor from 2^67 to 2^68
2016-03-31sasakiNF
no factor from 2^66 to 2^67
2014-10-08vwflat4NF
no factor from 2^65 to 2^66