6 015 749 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 4 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
188786235119	12	37.5	old
14707495659169	14	43.7	2008-09-30 21:51:52
8291475629522627743	19	62.8	2016-10-25 12:43:38
18064871932950025409	20	64.0	2017-06-19 12:21:05

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	E95A4E84EBA63DAE	4	0	1	3
Verified	2018-09-15	rucio	E95A4E84EBA63DAE	4	2686102	1	3

History

Date	User	Type	Result
2025-05-31	Jarod McClintock	NF	no factor from 2^68 to 2^70
2024-08-23	cramsey87	NF-PM1	B1=200000, B2=128751480
2018-09-15	rucio	C-PRP	M6015749/188786235119/14707495659169/8291475629522627743/18064871932950025409 : E95A4E84EBA63DAE PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M6015749/14707495659169/18064871932950025409/188786235119/8291475629522627743 : E95A4E84EBA63DAE PRP: Verified PRP without proof (not generated)
2017-06-19	TJAOI	F	Factor: 18064871932950025409 / TF: 63-64
2016-10-25	TJAOI	F	Factor: 8291475629522627743 / TF: 62-63
2008-09-30	markr	F	Factor: 14707495659169