2 200 711 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
39612799	8	25.2	old
9782167388859559	16	53.1	2014-09-04 09:45:34

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	206 / 640

Estimated T-Level: 26.6 ⓘ

TF below 2^83 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-10	Oliver Kruse	C551AAC08DA5D4F0	2	0	1	3
Verified	2017-11-19	kkmrkkblmbrbk	C551AAC08DA5D4F0	2	427038	1	3

History

Date	User	Type	Result
2021-07-01	Dylan Delgado	NF-PM1	B1=2000000, B2=242000000
2021-06-27	Dylan Delgado	NF-PM1	B1=1000000, B2=103000000
2017-11-19	kkmrkkblmbrbk	C-PRP	M2200711/39612799/9782167388859559 : C551AAC08DA5D4F0 PRP: Verified PRP without proof (not generated)
2017-10-10	Oliver Kruse	C-PRP	M2200711/39612799/9782167388859559 : C551AAC08DA5D4F0 PRP: Verified PRP without proof (not generated)
2016-04-05	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2014-09-04	TJAOI	F	Factor: 9782167388859559