1 320 427 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
3221841881	10	31.6	old
7342471194044319473736103	25	82.6	2018-06-08 13:20:05

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	59AE9AEA83969CB7	1	0	1	3
Verified (Factored)	2017-10-23	kkmrkkblmbrbk	59AE9AEA83969CB7	1	108855	1	3
Verified	2018-06-10	Daniil Tsarkov	CE208E0342A1C02D	2	861435	5	3
Verified	2018-06-11	Hazar Temizel	CE208E0342A1C02D	2	601685	5	3

History

Date	User	Type	Result
2018-06-11	Hazar Temizel	C-PRP	M1320427/3221841881/7342471194044319473736103 : CE208E0342A1C02D PRP: Verified PRP without proof (not generated)
2018-06-10	Daniil Tsarkov	C-PRP	M1320427/3221841881/7342471194044319473736103 : CE208E0342A1C02D PRP: Verified PRP without proof (not generated)
2018-06-08	TJAOI	F-ECM	Factor: 7342471194044319473736103 / (ECM curve 236, B1=50000, B2=5000000)
2017-10-23	kkmrkkblmbrbk	C-PRP	M1320427/3221841881 : 59AE9AEA83969CB7 PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1320427/3221841881 : 59AE9AEA83969CB7 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12