Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
158821981Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
30068650387957561848732271.32017-12-30 11:50:44
History
DateUserTypeResult
2017-12-30yponomarevF
Factor: 3006865038795756184873 / TF: 71-72
2017-12-29proxy2222NF
no factor from 2^70 to 2^71
2017-12-25La GüiraNF
no factor from 2^69 to 2^70
2017-03-13Adel El-AtawyNF
no factor from 2^68 to 2^69
2016-05-15mikeblasNF
no factor from 2^67 to 2^68
2015-04-273astNF
no factor from 2^66 to 2^67
2013-02-16Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-01-30dslNF
no factor from 2^64 to 2^65
2010-06-28sasaki3NF
no factor from 2^63 to 2^64