2 822 207 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
186265663	9	27.5	old
3261025063311679	16	51.5	2014-07-01 11:25:44
106742938843845458527	21	66.5	2018-05-04 02:31:07

ECM

Digits	B1	Curves
25	50000	4 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-22	Oliver Kruse	49E9B447F54A3F4A	2	239644	5	3
Verified (Factored)	2017-12-07	kkmrkkblmbrbk	49E9B447F54A3F4A	2	1649727	5	3
Verified	2018-05-04	ATH	49E9B447F54A3F4A	3	1488629	5	3

History

Date	User	Type	Result
2022-08-25	USAFSS	NF-PM1	B1=360000, B2=287380170
2018-05-04	ATH	C-PRP	M2822207/186265663/3261025063311679/106742938843845458527 : 49E9B447F54A3F4A PRP: Verified PRP without proof (not generated)
2018-05-04	ATH	F-ECM	Factor: 106742938843845458527 / (ECM curve 1, B1=50000, B2=5000000)
2017-12-07	kkmrkkblmbrbk	C-PRP	M2822207/186265663/3261025063311679 : 49E9B447F54A3F4A PRP: Verified PRP without proof (not generated)
2017-10-22	Oliver Kruse	C-PRP	M2822207/186265663/3261025063311679 : 49E9B447F54A3F4A PRP: Verified PRP without proof (not generated)
2014-07-01	TJAOI	F	Factor: 3261025063311679