5 353 339 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
256960273	9	27.9	old
40776746576741364127	20	65.1	2018-06-26 12:42:51

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-11-29	Oliver Kruse	BD48F8C891383EE3	1	696231	5	3
Verified (Factored)	2018-02-17	kkmrkkblmbrbk	BD48F8C891383EE3	1	96751	5	3
Verified	2018-06-29	_p95holder_	BD48F8C891383EE3	2	4910716	5	3

History

Date	User	Type	Result
2025-04-20	Sid & Andy	NF	no factor from 2^68 to 2^70
2025-03-01	Sid & Andy	NF-PM1	B1=3700000, B2=9002485800
2023-05-11	This -Anonymous-	NF-PM1	B1=50000, B2=1000000
2018-06-29	_p95holder_	C-PRP	M5353339/256960273/40776746576741364127 : BD48F8C891383EE3 PRP: Verified PRP without proof (not generated)
2018-06-26	TJAOI	F	Factor: 40776746576741364127 / TF: 65-66
2018-02-17	kkmrkkblmbrbk	C-PRP	M5353339/256960273 : BD48F8C891383EE3 PRP: Verified PRP without proof (not generated)
2017-11-29	Oliver Kruse	C-PRP	M5353339/256960273 : BD48F8C891383EE3 PRP: Verified PRP without proof (not generated)