1 321 379 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
38827400537	11	35.2	old
822890214732278806083337	24	79.4	2018-06-08 13:20:03

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	B02665A2DB3432E7	1	0	1	3
Verified (Factored)	2017-11-04	kkmrkkblmbrbk	B02665A2DB3432E7	1	114974	1	3
Verified	2018-06-10	Daniil Tsarkov	E2BEC02BE363EC6E	2	781417	5	3
Verified	2018-06-11	Hazar Temizel	E2BEC02BE363EC6E	2	213796	5	3

History

Date	User	Type	Result
2018-06-11	Hazar Temizel	C-PRP	M1321379/38827400537/822890214732278806083337 : E2BEC02BE363EC6E PRP: Verified PRP without proof (not generated)
2018-06-10	Daniil Tsarkov	C-PRP	M1321379/38827400537/822890214732278806083337 : E2BEC02BE363EC6E PRP: Verified PRP without proof (not generated)
2018-06-08	TJAOI	F-ECM	Factor: 822890214732278806083337 / (ECM curve 35, B1=50000, B2=5000000)
2017-11-04	kkmrkkblmbrbk	C-PRP	M1321379/38827400537 : B02665A2DB3432E7 PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1321379/38827400537 : B02665A2DB3432E7 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12