1 343 197 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
11250811492369	14	43.4	old
165527990412193	15	47.2	2008-08-26 19:53:24
2022043593720843894401	22	70.8	2017-11-10 14:20:42

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-30	Oliver Kruse	C697F8F203BD026F	2	0	1	3
Verified (Factored)	2017-10-24	kkmrkkblmbrbk	C697F8F203BD026F	2	1245252	1	3
Verified	2017-11-11	Oliver Kruse	E8745BBB67122885	3	980419	5	3
Verified	2017-11-11	ATH	E8745BBB67122885	3	174182	5	3

History

Date	User	Type	Result
2017-11-11	ATH	C-PRP	M1343197/11250811492369/165527990412193/2022043593720843894401 : E8745BBB67122885 PRP: Verified PRP without proof (not generated)
2017-11-11	Oliver Kruse	C-PRP	M1343197/11250811492369/165527990412193/2022043593720843894401 : E8745BBB67122885 PRP: Verified PRP without proof (not generated)
2017-11-10	Chang Chia-Tche	F-ECM	Factor: 2022043593720843894401 / (ECM curve 1, B1=50000, B2=5000000)
2017-10-24	kkmrkkblmbrbk	C-PRP	M1343197/11250811492369/165527990412193 : C697F8F203BD026F PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1343197/11250811492369/165527990412193 : C697F8F203BD026F PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-08-26	-Anonymous-	F	Factor: 165527990412193