44 168 321 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
6691943549938844077759	22	72.5	2018-02-20 22:03:20

Status	Date	User	Residue	Shift
Verified (Factored)	2010-02-11	kaare	4B5F199085E1309D	9820367
Verified (Factored)	2016-02-04	Vasily Voronin	4B5F199085E1309D	14634642

History

Date	User	Type	Result
2018-02-20	ktony	F	Factor: 6691943549938844077759 / TF: 72-73*
2016-02-04	Vasily Voronin	C-LL	4B5F199085E1309D
2015-10-02	-Anonymous-	NF	no factor from 2^71 to 2^72
2015-10-02	-Anonymous-	NF	no factor from 2^70 to 2^71
2015-05-08	LaurV	NF	no factor from 2^69 to 2^70
2013-01-29	Carsten Kossendey	NF	no factor from 2^68 to 2^69
2010-02-11	kaare	C-LL	4B5F199085E1309D
2010-01-04	kaare	NF-PM1	B1=750000