3 191 099 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
6382199	7	22.6	old

ECM

Digits	B1	Curves
25	50000	81 / 280

Estimated T-Level: 21.4 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-01	Oliver Kruse	6EA313E0CC1D15D1	1	391502	5	3
Verified	2017-12-13	kkmrkkblmbrbk	6EA313E0CC1D15D1	1	1825628	5	3

History

Date	User	Type	Result
2022-08-12	Joss	NF-PM1	B1=3191099, B2=3243653490
2021-12-22	Joss	NF-PM1	B1=3191099, B2=667788660
2021-12-18	Joss	NF-PM1	B1=3191099, B2=139350750
2021-12-16	Joss	NF-PM1	B1=3191099, B2=38293188
2021-12-16	Joss	NF-PM1	B1=3191099, B2=35102089
2021-12-01	Joss	NF	no factor from 2^69 to 2^70
2021-12-01	Joss	NF-PM1	B1=3191099, B2=31910990, E=12
2021-11-25	Joss	NF	no factor from 2^68 to 2^69
2021-03-23	Joss	NF	no factor from 2^67 to 2^68
2021-02-19	Joss	NF	no factor from 2^66 to 2^67
2021-01-03	Joss	NF	no factor from 2^65 to 2^66
2021-01-02	Joss	NF	no factor from 2^64 to 2^65
2020-09-07	Joss	NF-PM1	B1=499939, B2=6382198, E=6
2017-12-13	kkmrkkblmbrbk	C-PRP	M3191099/6382199 : 6EA313E0CC1D15D1 PRP: Verified PRP without proof (not generated)
2017-11-01	Oliver Kruse	C-PRP	M3191099/6382199 : 6EA313E0CC1D15D1 PRP: Verified PRP without proof (not generated)