8 806 559 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
5724686064833	13	42.4	old
1279180171214081	16	50.2	2008-09-08 04:39:41

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-01-31	Julian112	ABC574FEECCB57F2	2	2545428	5	3
Verified	2020-09-09	ATH	ABC574FEECCB57F2	2	7532990	5	3

History

Date	User	Type	Result
2024-09-10	Stef42	NF-PM1	B1=1700000, B2=3174397380
2020-09-09	Ben Delo	CERT	PRP Certification Proof certified good
2020-09-09	ATH	C-PRP	M8806559/5724686064833/1279180171214081 : ABC574FEECCB57F2 PRP proof power = 8 PRP: Verified Proof certified good
2019-01-31	Julian112	C-PRP	M8806559/5724686064833/1279180171214081 : ABC574FEECCB57F2 PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 1279180171214081