2 939 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
5879	4	12.5	old
9162714245445569872926377	25	82.9	old
20464934283445341980094981769009868005537	41	133.9	old
493270234482663491115078296459870497290659707194074146729	57	188.3	2020-02-15 02:16:50

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	2927 / 16550

Estimated T-Level: 45.9 ⓘ

TF below 2^147 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-21	Oliver Kruse	E930CE11364829AF	3	0	1	3
Verified (Factored)	2017-10-02	kkmrkkblmbrbk	E930CE11364829AF	3	0	1	3
Verified (Factored)	2017-12-07	ATH	E930CE11364829AF	3	1882	1	3
Verified	2020-02-16	Jinyuan Wang	98BE459B05C26E4F	4	2303	5	3
Verified	2020-02-18	Luigi Morelli	98BE459B05C26E4F	4	1547	5	3
Verified	2020-04-17	Oliver Kruse	98BE459B05C26E4F	4	1660	5	3
Verified (Factored)	2022-05-12	Jorge Coveiro	98BE459B05C26E4F	1	2211	5	3

History

Date	User	Type	Result
2024-06-22	masser	NF-PM1	B1=100000000000, B2=33833747270993670
2023-08-28	Kevin_9611	NF-PM1	B1=1600000000, B2=20708855507340
2023-08-28	Kevin_9611	NF-PM1	B1=800000000, B2=14325745283850
2023-08-28	Kevin_9611	NF-PM1	B1=400000000, B2=7792569174390
2023-08-28	Kevin_9611	NF-PM1	B1=100000000, B2=9040735433730
2022-05-12	Jorge Coveiro	C-PRP	M2939/5879 : 98BE459B05C26E4F PRP: Verified (Factored) PRP without proof (small exponent)
2021-07-07	ViliamF	NF-PM1	B1=1000000000, B2=191000000000
2020-04-17	Oliver Kruse	C-PRP	M2939/5879/9162714245445569872926377/20464934283445341980094981769009868005537/493270234482663491115078296459870497290659707194074146729 : 98BE459B05C26E4F PRP: Verified (Factored) PRP without proof (small exponent)
2020-02-18	Luigi Morelli	C-PRP	M2939/5879/9162714245445569872926377/20464934283445341980094981769009868005537/493270234482663491115078296459870497290659707194074146729 : 98BE459B05C26E4F PRP: Verified (Factored) PRP without proof (small exponent)
2020-02-16	Jinyuan Wang	C-PRP	M2939/5879/9162714245445569872926377/20464934283445341980094981769009868005537/493270234482663491115078296459870497290659707194074146729 : 98BE459B05C26E4F PRP: Verified (Factored) PRP without proof (small exponent)
2020-02-15	Ryan Propper	F-ECM	Factor: 493270234482663491115078296459870497290659707194074146729 / (ECM curve 1, B1=850000000)
2017-12-07	ATH	C-PRP	M2939/5879/9162714245445569872926377/20464934283445341980094981769009868005537 : E930CE11364829AF PRP: Verified (Factored) PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M2939/5879/9162714245445569872926377/20464934283445341980094981769009868005537 : E930CE11364829AF PRP: Verified (Factored) PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M2939/known_factors : E930CE11364829AF PRP without proof (not generated)