38 003 759 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
3261892049617772115527	22	71.5	2019-03-27 19:42:50

Status	Date	User	Residue	Shift
Verified (Factored)	2009-06-14	-Anonymous-	81F1485CCBD2F0B7	29675977
Verified (Factored)	2015-08-17	pbguy	81F1485CCBD2F0B7	6975533

History

Date	User	Type	Result
2019-03-27	Conductor	F	Factor: 3261892049617772115527 / TF: 71-72
2015-08-17	pbguy	C-LL	81F1485CCBD2F0B7
2014-12-10	NickOfTime	NF	no factor from 2^70 to 2^71
2014-10-10	HBendtz	NF	no factor from 2^69 to 2^70
2014-09-06	HBendtz	NF-PM1	B1=615000, B2=12000000, E=12
2013-08-16	Torben K.	NF	no factor from 2^68 to 2^69
2009-06-14	-Anonymous-	C-LL	81F1485CCBD2F0B7
2008-12-18	-Anonymous-	NF-PM1	B1=610000