66 863 711 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
187721623148251128275569	24	77.3	2013-10-03 13:34:49

P-1 factors

Date	Factor	B1	B2
2013-10-03	187721623148251128275569	590000	0

History

Date	User	Type	Result
2013-10-03	Jwb52z	F-PM1	Factor: 187721623148251128275569
2013-09-27	kdgehman	NF	no factor from 2^73 to 2^74
2013-09-27	kdgehman	NF	no factor from 2^72 to 2^73
2013-09-27	kdgehman	NF	no factor from 2^71 to 2^72
2012-07-13	Philipp Westphal	NF	no factor from 2^70 to 2^71
2012-03-09	Dr. Nowak	NF	no factor from 2^69 to 2^70
2010-03-02	korva	NF	no factor from 2^68 to 2^69
2010-02-26	NoWhereMan	NF	no factor from 2^67 to 2^68
2009-12-17	Berdes1	NF	no factor from 2^66 to 2^67
2009-12-11	Sturle Sunde	NF	no factor from 2^65 to 2^66
2009-12-09	Robert M.	NF	no factor from 2^64 to 2^65
2009-05-10	1997rj7	NF	no factor to 2^64