37 456 037 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
2142418194351843941179607	25	80.8	2016-03-01 08:49:37

Status	Date	User	Residue	Shift
Verified (Factored)	2007-07-04	David Pike	35406C7CF2D692ED	3309773

P-1 factors

Date	Factor	B1	B2
2016-03-01	2142418194351843941179607	400000	12000000

History

Date	User	Type	Result
2016-03-01	HBendtz	F-PM1	Factor: 2142418194351843941179607 / (P-1, B1=400000, B2=12000000, E=12)
2014-12-07	James Heinrich	NF	no factor from 2^70 to 2^71
2014-11-05	VictordeHollander	NF	no factor from 2^69 to 2^70
2013-05-05	Torben K.	NF	no factor from 2^68 to 2^69
2012-04-30	Carsten Kossendey	NF	no factor from 2^67 to 2^68