8 006 819 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
64054553	8	25.9	old
400340951	9	28.6	2008-09-08 03:43:58
426283043561	12	38.6	2008-09-08 03:43:58

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-10	_p95holder_	38AC94E667A73BA3	3	5019423	5	3
Verified	2019-12-26	mnd9	38AC94E667A73BA3	3	2381609	5	3

History

Date	User	Type	Result
2024-02-25	Stef42	NF-PM1	B1=3000000, B2=6614899200
2019-12-26	mnd9	C-PRP	M8006819/64054553/400340951/426283043561 : 38AC94E667A73BA3 PRP: Verified PRP without proof (not generated)
2018-07-10	_p95holder_	C-PRP	M8006819/64054553/400340951/426283043561 : 38AC94E667A73BA3 PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 426283043561
2008-09-08	Will Edgington	F	Factor: 400340951