5 352 649 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

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

Trial Factored to 2⁷⁰

TF target 2⁶⁶

Factored

Factor	Digits	Bits	Date
642317881	9	29.3	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-11-27	storm5510	8CDE8BD1AAA89978	1	2053041	5	3
Verified	PRP without proof (not generated)	2018-02-15	kkmrkkblmbrbk	8CDE8BD1AAA89978	1	682475	5	3

History

Date	User	Type	Result
2025-04-19	Sid & Andy	NF	no factor TF: 68-70
2025-02-28	Sid & Andy	NF-PM1	B1=3700000, B2=9002485800
2023-05-11	This -Anonymous-	NF-PM1	B1=50000, B2=1000000
2018-02-15	kkmrkkblmbrbk	C-PRP	M5352649/642317881 : 8CDE8BD1AAA89978
2017-11-27	storm5510	C-PRP	M5352649/642317881 : 8CDE8BD1AAA89978

Username
Password