1 297 693 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
7786159	7	22.9	old
2668112803766750335103	22	71.2	2018-06-08 13:19:33

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	240752A89E192A72	1	0	1	3
Verified (Factored)	2017-10-22	kkmrkkblmbrbk	240752A89E192A72	1	342585	1	3
Verified	2018-06-10	Daniil Tsarkov	521961914C796BA3	2	861329	5	3
Verified	2018-06-10	Oliver Kruse	521961914C796BA3	2	399544	5	3

History

Date	User	Type	Result
2018-06-10	Oliver Kruse	C-PRP	M1297693/7786159/2668112803766750335103 : 521961914C796BA3 PRP: Verified PRP without proof (not generated)
2018-06-10	Daniil Tsarkov	C-PRP	M1297693/7786159/2668112803766750335103 : 521961914C796BA3 PRP: Verified PRP without proof (not generated)
2018-06-08	TJAOI	F-ECM	Factor: 2668112803766750335103 / (ECM curve 2, B1=50000, B2=5000000)
2017-10-22	kkmrkkblmbrbk	C-PRP	M1297693/7786159 : 240752A89E192A72 PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1297693/7786159 : 240752A89E192A72 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=300000, B2=10000000, E=12