5 202 247 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
83235953	8	26.3	old
3314497226617	13	41.6	2008-09-30 21:44:24

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-22	kkmrkkblmbrbk	DF78F1C50926916F	2	23949	5	3
Verified	2018-05-31	nokno	9388E0B84F68D782	2	0	1	3
Verified	2018-05-31	ATH	DF78F1C50926916F	2	4260495	5	3
Verified	2018-07-12	kkmrkkblmbrbk	9388E0B84F68D782	2	4111070	1	3

History

Date	User	Type	Result
2025-03-06	Sid & Andy	NF	no factor from 2^68 to 2^70
2024-07-30	cramsey87	NF-PM1	B1=520000, B2=183451590
2022-11-14	Kevin_9611	NF-PM1	B1=400000, B2=55913340
2018-07-12	kkmrkkblmbrbk	C-PRP	M5202247/3314497226617/83235953 : 9388E0B84F68D782 PRP: Verified PRP without proof (not generated)
2018-05-31	ATH	C-PRP	M5202247/83235953/3314497226617 : DF78F1C50926916F PRP: Verified PRP without proof (not generated)
2018-05-31	nokno	C-PRP	M5202247/83235953/3314497226617 : 9388E0B84F68D782 PRP: Verified PRP without proof (not generated)
2017-11-22	kkmrkkblmbrbk	C-PRP	M5202247/83235953/3314497226617 : DF78F1C50926916F PRP: Verified PRP without proof (not generated)
2008-09-30	markr	F	Factor: 3314497226617