7 990 471 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 3 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
127847537	9	26.9	old
1038761231	10	30.0	2008-09-08 03:43:28
13972920656759	14	43.7	2008-09-08 03:43:28

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-02	_p95holder_	9485FA0A66FB679C	3	656018	5	3
Verified	2019-12-23	mnd9	9485FA0A66FB679C	3	3554144	5	3

History

Date	User	Type	Result
2024-02-23	Stef42	NF-PM1	B1=2500000, B2=5988194940
2019-12-23	mnd9	C-PRP	M7990471/127847537/1038761231/13972920656759 : 9485FA0A66FB679C PRP: Verified PRP without proof (not generated)
2018-07-02	_p95holder_	C-PRP	M7990471/127847537/1038761231/13972920656759 : 9485FA0A66FB679C PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 13972920656759
2008-09-08	Will Edgington	F	Factor: 1038761231