7 979 281 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
4216456238459210183	19	61.9	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-06-28	_p95holder_	CF03BC46D38C94B0	1	5111382	5	3
Verified	2019-12-18	marssystems	CF03BC46D38C94B0	1	5253330	5	3

History

Date	User	Type	Result
2024-02-14	Stef42	NF-PM1	B1=859000, B2=1420146000
2019-12-18	marssystems	C-PRP	M7979281/4216456238459210183 : CF03BC46D38C94B0 PRP: Verified PRP without proof (not generated)
2018-06-28	_p95holder_	C-PRP	M7979281/4216456238459210183 : CF03BC46D38C94B0 PRP: Verified PRP without proof (not generated)

Username
Password