6 659 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
226211124686120782835233945344253671049543	42	137.4	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1299 / 9201

Estimated T-Level: 40.7 ⓘ

TF below 2^130 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	C797A155CEEA3310	1	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	C797A155CEEA3310	1	0	1	3
Verified	2017-12-07	ATH	C797A155CEEA3310	1	3502	1	3
Verified	2020-04-17	Oliver Kruse	5E1C2A246D20AE31	1	4394	5	3
Verified	2024-02-03	Wentao Huang	5E1C2A246D20AE31	1	4825	5	3

History

Date	User	Type	Result
2024-02-03	Wentao Huang	C-PRP	M6659/226211124686120782835233945344253671049543 : 5E1C2A246D20AE31 PRP: Verified PRP without proof (small exponent)
2023-08-11	-Anonymous-	NF-PM1	B1=37000000000, B2=148599418701633900
2020-04-17	Oliver Kruse	C-PRP	M6659/226211124686120782835233945344253671049543 : 5E1C2A246D20AE31 PRP: Verified PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M6659/226211124686120782835233945344253671049543 : C797A155CEEA3310 PRP: Verified PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M6659/226211124686120782835233945344253671049543 : C797A155CEEA3310 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M6659/known_factors : C797A155CEEA3310 PRP without proof (not generated)