40 003 819 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
6815162437884320592439	22	72.5	2019-04-16 14:49:34

Status	Date	User	Residue	Shift
Verified (Factored)	2008-05-22	Robert moyes	5A062441B4946901	14161522
Verified (Factored)	2016-06-02	cdaniels2006	5A062441B4946901	28897062

History

Date	User	Type	Result
2024-06-14	James Heinrich	NF	no factor from 2^68 to 2^69
2019-04-16	Conductor	F	Factor: 6815162437884320592439 / TF: 72-73
2016-06-02	cdaniels2006	C-LL	5A062441B4946901
2014-12-28	Chuck	NF	no factor from 2^71 to 2^72
2014-11-25	srow7	NF	no factor from 2^70 to 2^71
2014-11-23	Architects Cubed	NF	no factor from 2^69 to 2^70
2013-10-19	Carsten Kossendey	NF	no factor from 2^68 to 2^69