4 969 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 2 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
879473249	9	29.7	old
4563710337130472329	19	62.0	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	17291 / 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	02D4A929EFA708C6	2	0	1	3
Verified	No proof (small exponent)	2017-10-12	kkmrkkblmbrbk	02D4A929EFA708C6	2	4530	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	FE3F3862CA72CDDE	2	519	5	3
Verified	No proof (small exponent)	2024-02-03	Wentao Huang	FE3F3862CA72CDDE	2	2774	5	3

History

Date	User	Type	Result
2025-05-23	masser	NF-PP1	Start=88/47, B1=2100000000, B2=2097900000000
2024-02-03	Wentao Huang	C-PRP	M4969/879473249/4563710337130472329 : FE3F3862CA72CDDE
2023-06-01	-anonymous-	NF-PM1	B1=64000000000, B2=642189744639793350
2021-12-15	Oliver Kruse	NF-PM1	B1=1000000000, B2=1002849399191640
2021-12-14	ANONYMOUS	NF-PM1	B1=101101101, B2=242002648447560
2020-04-17	Oliver Kruse	C-PRP	M4969/879473249/4563710337130472329 : FE3F3862CA72CDDE
2017-10-12	kkmrkkblmbrbk	C-PRP	M4969/879473249/4563710337130472329 : 02D4A929EFA708C6
2017-09-21	Oliver Kruse	C-PRP	M4969/879473249/4563710337130472329 : 02D4A929EFA708C6
2017-09-21	Oliver Kruse	C-PRP	M4969/879473249/4563710337130472329 : 02D4A929EFA708C6