2 969 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 1 known prime factor. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
5972542421912159	16	52.4	old

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	16550 / 16550
55	110000000	17369 / 40830

Estimated T-Level: 52.1 ⓘ

TF below 2^168 is very unlikely to find new factors due to ECM effort.

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	No proof (small exponent)	2017-09-21	Oliver Kruse	1EBB3C5335CF2804	1	0	1	3
Verified	No proof (small exponent)	2017-10-12	kkmrkkblmbrbk	1EBB3C5335CF2804	1	2522	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	7FDE243FBCE0A28B	1	438	5	3
Verified	No proof (small exponent)	2024-02-03	Wentao Huang	7FDE243FBCE0A28B	1	1334	5	3

History

Date	User	Type	Result
2025-04-20	masser	NF-PP1	Start=142/43, B1=3100000000, B2=3096900000000
2024-02-03	Wentao Huang	C-PRP	M2969/5972542421912159 : 7FDE243FBCE0A28B
2022-02-07	mikr	NF-PM1	B1=60000000000, B2=314806422904433460
2021-08-11	H Michaelson	NF-PM1	B1=1000000, B2=1475905517
2021-07-07	ViliamF	NF-PM1	B1=1000000000, B2=191000000000
2020-04-17	Oliver Kruse	C-PRP	M2969/5972542421912159 : 7FDE243FBCE0A28B
2017-10-12	kkmrkkblmbrbk	C-PRP	M2969/5972542421912159 : 1EBB3C5335CF2804
2017-09-21	Oliver Kruse	C-PRP	M2969/5972542421912159 : 1EBB3C5335CF2804
2017-09-21	Oliver Kruse	C-PRP	M2969/5972542421912159 : 1EBB3C5335CF2804
2009-03-02	kiwiboy	F	Factor: 5972542421912159