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
478779601Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8203750000917042897772169.52017-12-16 11:15:47
History
DateUserTypeResult
2017-12-16ky0urakuF
Factor: 820375000091704289777 / TF: 69-70
2017-12-05ky0urakuNF
no factor from 2^68 to 2^69
2016-06-14sasakiNF
no factor from 2^67 to 2^68
2016-04-10monstNF
no factor from 2^66 to 2^67
2016-04-10sasakiNF
no factor from 2^66 to 2^67
2014-10-10Massimo Cappelli (ik5pwa)NF
no factor from 2^65 to 2^66