7 940 747 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
190577929	9	27.5	old
256044686092777	15	47.9	2014-03-21 11:26:59

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-06-11	Daniil Tsarkov	5E3F7E1A6279F4F4	2	5218115	5	3
Verified	2019-11-30	arnaud	5E3F7E1A6279F4F4	2	4927723	5	3

History

Date	User	Type	Result
2024-02-06	Stef42	NF-PM1	B1=950000, B2=1968826860
2019-11-30	arnaud	C-PRP	M7940747/190577929/256044686092777 : 5E3F7E1A6279F4F4 PRP: Verified PRP without proof (not generated)
2018-06-11	Daniil Tsarkov	C-PRP	M7940747/190577929/256044686092777 : 5E3F7E1A6279F4F4 PRP: Verified PRP without proof (not generated)
2014-03-21	TJAOI	F	Factor: 256044686092777