8 069 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
3133683643066645087	19	61.4	old
11496704672123870037848372470818814206904098053719	50	163.0	2025-08-09 01:22:56

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	10113 / 16550

Estimated T-Level: 48.1 ⓘ

TF below 2^155 is very unlikely to find new factors due to ECM effort.

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Factored	No proof (small exponent)	2017-09-21	Oliver Kruse	BC871E8AFFB37382	1	0	1	3
Factored	No proof (small exponent)	2017-10-12	kkmrkkblmbrbk	BC871E8AFFB37382	1	2678	1	3
Factored	No proof (small exponent)	2020-04-17	Oliver Kruse	9EDB13ADF34D5592	1	3695	5	3
Factored	No proof (small exponent)	2024-07-01	kkmrkkblmbrbk	9EDB13ADF34D5592	1	7047	5	3
Verified	No proof (small exponent)	2025-08-15	beep	9EDB13ADF34D5592	2	6927	5	3
Verified	No proof (small exponent)	2025-08-20	Cimaron	9EDB13ADF34D5592	2	685	5	3

History

Date	User	Type	Result
2025-08-20	Cimaron	C-PRP	M8069/3133683643066645087/11496704672123870037848372470818814206904098053719 : 9EDB13ADF34D5592
2025-08-15	beep	C-PRP	M8069/3133683643066645087/11496704672123870037848372470818814206904098053719 : 9EDB13ADF34D5592
2025-08-09	Ryan Propper	F-ECM	Factor: 11496704672123870037848372470818814206904098053719
2025-05-26	masser	NF-PP1	Start=164/71, B1=1300000000, B2=1298700000000
2024-07-01	kkmrkkblmbrbk	C-PRP	M8069/3133683643066645087 : 9EDB13ADF34D5592
2023-05-28	JacobZ	NF-PM1	B1=73000000000, B2=299074993103236350
2021-12-16	ANONYMOUS	NF-PM1	B1=100000000
2020-04-17	Oliver Kruse	C-PRP	M8069/3133683643066645087 : 9EDB13ADF34D5592
2017-10-12	kkmrkkblmbrbk	C-PRP	M8069/3133683643066645087 : BC871E8AFFB37382
2017-09-21	Oliver Kruse	C-PRP	M8069/3133683643066645087 : BC871E8AFFB37382
2017-09-21	Oliver Kruse	C-PRP	M8069/3133683643066645087 : BC871E8AFFB37382