977 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 5 known prime factors. Cofactor is PRP (Probable-Prime).

Factored

Factor	Digits	Bits	Date
867577	6	19.7	old
1813313	7	20.8	old
2069655374719577273	19	60.8	old
49858990580788843054012690078841	32	105.3	old
23830405750609887318420248635858165476368020607396633699141951	62	203.9	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2024-09-06	George Woltman	PRP_PRP_PRP_PRP_	5	0	1	3

History

Date	User	Type	Result
2024-09-06	George Woltman	P-PRP	M977/867577/1813313/2069655374719577273/49858990580788843054012690078841/23830405750609887318420248635858165476368020607396633699141951 is a probable prime.

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