1 168 997 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
303677364673	12	38.1	old
2428699149042682384027174247	28	91.0	2018-06-08 13:19:02

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 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)	2017-09-29	Oliver Kruse	5D2EAF76AB8F2522	1	0	1	3
Verified (Factored)	2017-10-17	Oliver Kruse	5D2EAF76AB8F2522	1	549698	1	3
Verified (Factored)	2018-01-06	ATH	5D2EAF76AB8F2522	1	135663	1	3
Verified	2018-06-10	Daniil Tsarkov	64D5C8F5D7A0E168	2	1107969	5	3
Verified	2018-06-11	Chang Chia-Tche	64D5C8F5D7A0E168	2	943050	5	3

History

Date	User	Type	Result
2018-06-11	Chang Chia-Tche	C-PRP	M1168997/303677364673/2428699149042682384027174247 : 64D5C8F5D7A0E168 PRP: Verified PRP without proof (not generated)
2018-06-10	Daniil Tsarkov	C-PRP	M1168997/303677364673/2428699149042682384027174247 : 64D5C8F5D7A0E168 PRP: Verified PRP without proof (not generated)
2018-06-08	TJAOI	F-ECM	Factor: 2428699149042682384027174247 / (ECM curve 119, B1=50000, B2=5000000)
2018-01-06	ATH	C-PRP	M1168997/303677364673 : 5D2EAF76AB8F2522 PRP: Verified PRP without proof (not generated)
2017-10-17	Oliver Kruse	C-PRP	M1168997/303677364673 : 5D2EAF76AB8F2522 PRP: Verified PRP without proof (not generated)
2017-09-29	Oliver Kruse	C-PRP	M1168997/303677364673 : 5D2EAF76AB8F2522 PRP: Verified PRP without proof (not generated)