7 893 989 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
34859249922062613959	20	64.9	old

Status	Date	User	Residue	Shift
Verified (Factored)	1999-08-16	Michael Kobliska	7B47EDD58E4D14BC	3568732

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-06-09	_p95holder_	CA62B226D8B71227	1	6506039	5	3
Verified	2019-11-11	GAN	CA62B226D8B71227	1	4694618	5	3

History

Date	User	Type	Result
2024-02-02	Stef42	NF-PM1	B1=950000, B2=1968826860
2019-11-11	GAN	C-PRP	M7893989/34859249922062613959 : CA62B226D8B71227 PRP: Verified PRP without proof (not generated)
2018-06-09	_p95holder_	C-PRP	M7893989/34859249922062613959 : CA62B226D8B71227 PRP: Verified PRP without proof (not generated)