8 026 661 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
18761839836319049	17	54.1	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-12	_p95holder_	708DEC6B8DEE7B6C	1	3992305	5	3
Verified	2020-01-06	pew	708DEC6B8DEE7B6C	1	3091175	5	3

History

Date	User	Type	Result
2024-02-24	Stef42	NF-PM1	B1=937000, B2=1792472220
2020-01-06	pew	C-PRP	M8026661/18761839836319049 : 708DEC6B8DEE7B6C PRP: Verified PRP without proof (not generated)
2018-07-12	_p95holder_	C-PRP	M8026661/18761839836319049 : 708DEC6B8DEE7B6C PRP: Verified PRP without proof (not generated)

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