1 361 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 6 known prime factors. Cofactor is PRP (Probable-Prime).

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
8167	4	13.0	old
3397057	7	21.7	old
137450113	9	27.0	old
30322542339673	14	44.8	old
15459763525875943	17	53.8	old
856450061281312036458486309832227737	36	119.4	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Factored	No proof (small exponent)	2017-11-16	kkmrkkblmbrbk	PRP_PRP_PRP_PRP_	6	823	1	3

History

Date	User	Type	Result
2017-11-16	kkmrkkblmbrbk	P-PRP	M1361/8167/3397057/137450113/30322542339673/15459763525875943/856450061281312036458486309832227737 PRP Cofactor
2009-03-05	-anonymous-	F-ECM	Factor: 856450061281312036458486309832227737
2009-03-05	-anonymous-	F-PM1	Factor: 15459763525875943
2009-03-05	-anonymous-	F-PM1	Factor: 30322542339673
2009-03-05	-anonymous-	F	Factor: 137450113
2009-03-05	-anonymous-	F	Factor: 3397057
2000-08-17	-anonymous-	F-PM1	Factor: 1787635409663754928369154821139100566190575415433