220 740 323 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
1831489750960911696409	22	70.6	2015-10-28 20:55:25

History

Date	User	Type	Result
2015-10-28	demfloro	F	Factor: 1831489750960911696409 / TF: 70-71
2015-10-28	demfloro	NF	no factor from 2^69 to 2^70
2015-10-28	demfloro	NF	no factor from 2^68 to 2^69
2015-10-28	demfloro	NF	no factor from 2^66 to 2^68
2013-08-22	Ed Straker	NF	no factor from 2^65 to 2^66
2011-06-05	carlos56	NF	no factor from 2^64 to 2^65

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