8 069 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
3133683643066645087	19	61.4	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	8864 / 9201

Estimated T-Level: 44.8 ⓘ

TF below 2^144 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-21	Oliver Kruse	BC871E8AFFB37382	1	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	BC871E8AFFB37382	1	2678	1	3
Unverified	2020-04-17	Oliver Kruse	9EDB13ADF34D55__	1	3695	5	3

History

Date	User	Type	Result
2023-05-28	JacobZ	NF-PM1	B1=73000000000, B2=299074993103236350
2021-12-16	Lisander Viaene	NF-PM1	B1=100000000
2020-04-17	Oliver Kruse	C-PRP	M8069/3133683643066645087 : 9EDB13ADF34D55__ PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M8069/3133683643066645087 : BC871E8AFFB37382 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M8069/3133683643066645087 : BC871E8AFFB37382 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M8069/3133683643066645087 : BC871E8AFFB37382 PRP without proof (not generated)