8 324 171 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

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

Trial Factored to 2⁶⁸

TF target 2⁶⁸

Factored

Factor	Digits	Bits	Date
209985537647	12	37.6	old
103691534412281	15	46.6	2008-09-08 04:30:29

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-13	Oliver Kruse	56DE7722427ABE0C	2	6997171	5	3
Verified	PRP without proof (not generated)	2020-04-20	marssystems	56DE7722427ABE0C	2	1801531	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1375000, B2=2725257990
2020-04-20	marssystems	C-PRP	M8324171/209985537647/103691534412281 : 56DE7722427ABE0C
2018-10-13	Oliver Kruse	C-PRP	M8324171/209985537647/103691534412281 : 56DE7722427ABE0C
2008-09-08	Will Edgington	F	Factor: 103691534412281