5 231 701 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 3 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
31390207	8	24.9	old
567493070873	12	39.0	2008-09-08 01:29:32
39359635303847492209	20	65.1	2018-05-30 12:28:59

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-11-25	Oliver Kruse	49EC9E3C4A1AE7DC	2	3673277	5	3
Verified (Factored)	2018-01-26	kkmrkkblmbrbk	49EC9E3C4A1AE7DC	2	2333888	5	3
Verified	2018-06-05	_p95holder_	49EC9E3C4A1AE7DC	3	2920146	5	3

History

Date	User	Type	Result
2025-04-04	Sid & Andy	NF-PM1	B1=5000000, B2=7733914650
2025-03-14	Sid & Andy	NF	no factor from 2^68 to 2^70
2023-05-11	This -Anonymous-	NF-PM1	B1=50000, B2=1000000
2018-06-05	_p95holder_	C-PRP	M5231701/31390207/567493070873/39359635303847492209 : 49EC9E3C4A1AE7DC PRP: Verified PRP without proof (not generated)
2018-05-30	TJAOI	F	Factor: 39359635303847492209 / TF: 65-66
2018-01-26	kkmrkkblmbrbk	C-PRP	M5231701/31390207/567493070873 : 49EC9E3C4A1AE7DC PRP: Verified PRP without proof (not generated)
2017-11-25	Oliver Kruse	C-PRP	M5231701/31390207/567493070873 : 49EC9E3C4A1AE7DC PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 567493070873