45 721 331 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: 1 known prime factor

Trial Factored to 2⁷⁰

TF target 2⁷²

Factored

Factor	Digits	Bits	Date
2068776071860350403687	22	70.8	2012-09-10 16:51:54

P-1 factors

Date	Factors	B1	B2
2012-09-10	2068776071860350403687	490000	10657500

History

Date	User	Type	Result
2012-09-10	Jwb52z	F	Factor: 2068776071860350403687
2011-10-26	Dubslow	NF	no factor TF: 69-70
2011-10-26	Dubslow	NF	no factor TF: 68-69
2007-12-31	RMAC9.5	NF	no factor TF: 1-68
2007-02-20	1997rj7	NF	no factor TF: 1-63
2000-12-14	Joss	NF	no factor TF: 1-54

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