17 497 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
419929	6	18.7	old
75866993	8	26.2	2008-08-26 19:58:50
7981648027879	13	42.9	2008-08-26 19:58:50
211498178440207889	18	57.6	2008-08-26 19:58:50
614042354446348876241	21	69.1	2008-10-16 23:57:27

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	1218 / 4588

Estimated T-Level: 36.3 ⓘ

TF below 2^116 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	10CA135317E30FAE	5	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	10CA135317E30FAE	5	0	1	3
Verified	2017-12-07	ATH	10CA135317E30FAE	5	13800	1	3
Unverified	2020-04-17	Oliver Kruse	A34D18C92142CE__	5	4010	5	3

History

Date	User	Type	Result
2023-05-20	JacobZ	NF-PM1	B1=6100000000, B2=17387415196261110
2021-08-27	Seth_Tr	NF-PM1	B1=400000000
2020-04-17	Oliver Kruse	C-PRP	M17497/419929/75866993/7981648027879/211498178440207889/614042354446348876241 : A34D18C92142CE__ PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M17497/419929/75866993/7981648027879/211498178440207889/614042354446348876241 : 10CA135317E30FAE PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M17497/419929/75866993/7981648027879/211498178440207889/614042354446348876241 : 10CA135317E30FAE PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M17497/419929/75866993/7981648027879/211498178440207889/614042354446348876241 : 10CA135317E30FAE PRP without proof (not generated)
2008-10-16	-Anonymous-	F-ECM	Factor: 614042354446348876241
2008-08-26	-Anonymous-	F-ECM	Factor: 211498178440207889
2008-08-26	-Anonymous-	F	Factor: 7981648027879
2008-08-26	-Anonymous-	F	Factor: 75866993