5 168 753 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
905518262522569	15	49.7	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	5C27BD5642FA5180	1	0	1	3
Verified	2018-05-20	ATH	5C27BD5642FA5180	1	1401308	1	3

History

Date	User	Type	Result
2025-02-24	Sid & Andy	NF	no factor from 2^68 to 2^70
2024-08-16	cramsey87	NF-PM1	B1=1000000, B2=527620500
2023-05-11	This -Anonymous-	NF-PM1	B1=50000, B2=1000000
2018-05-20	ATH	C-PRP	M5168753/905518262522569 : 5C27BD5642FA5180 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M5168753/905518262522569 : 5C27BD5642FA5180 PRP: Verified PRP without proof (not generated)