3 190 787 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
346423744591	12	38.3	old
28111031419184901468583	23	74.6	2018-08-24 05:50:56

ECM

Digits	B1	Curves
25	50000	83 / 280

Estimated T-Level: 21.5 ⓘ

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 (Factored)	2017-11-01	Oliver Kruse	5A38CA113C7860B5	1	3043600	5	3
Verified (Factored)	2017-12-13	kkmrkkblmbrbk	5A38CA113C7860B5	1	299517	5	3
Verified	2018-08-26	Oliver Kruse	5A38CA113C7860B5	2	608149	5	3

History

Date	User	Type	Result
2022-09-07	Joss	NF-PM1	B1=1057235, B2=226749600
2022-01-11	Joss	NF-PM1	B1=1057235, B2=119912100
2021-07-21	Joss	NF	no factor from 2^67 to 2^68
2020-08-28	Joss	NF-PM1	B1=319078, B2=3190787, E=6
2020-08-26	Joss	NF-PM1	B1=319078
2018-08-26	Oliver Kruse	C-PRP	M3190787/346423744591/28111031419184901468583 : 5A38CA113C7860B5 PRP: Verified PRP without proof (not generated)
2018-08-24	Oliver Kruse	F-ECM	Factor: 28111031419184901468583 / (ECM curve 2, B1=50000, B2=5000000)
2017-12-13	kkmrkkblmbrbk	C-PRP	M3190787/346423744591 : 5A38CA113C7860B5 PRP: Verified PRP without proof (not generated)
2017-11-01	Oliver Kruse	C-PRP	M3190787/346423744591 : 5A38CA113C7860B5 PRP: Verified PRP without proof (not generated)