673 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 3 known prime factors. Cofactor is PRP (Probable-Prime).

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
581163767	9	29.1	old
41283139633378645724930694480520226273492263	44	144.9	old
68396769572915971687133122358352070840260017483089158059519	59	195.4	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Factored	No proof (small exponent)	2024-09-06	George Woltman	PRP_PRP_PRP_PRP_	3	0	1	3

History

Date	User	Type	Result
2024-09-06	George Woltman	P-PRP	M673/581163767/41283139633378645724930694480520226273492263/68396769572915971687133122358352070840260017483089158059519 PRP Cofactor

Username
Password