2 637 799 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
11285356402543446287	20	63.3	2011-01-20 03:36:53

ECM

Digits	B1	Curves
25	50000	6 / 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	Shift
Verified (Factored)		phil kenny	B9B32B391D21682E	0
Verified (Factored)	1999-04-13	B Matson / C Gutmann / E Bishop	B9B32B391D21682E	2044028

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-18	Oliver Kruse	C5C02EC93458ACCA	1	2095852	5	3
Verified	2017-12-03	kkmrkkblmbrbk	C5C02EC93458ACCA	1	2188605	5	3

History

Date	User	Type	Result
2022-03-11	LordJulius	NF	no factor from 2^1 to 2^60
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-12-03	kkmrkkblmbrbk	C-PRP	M2637799/11285356402543446287 : C5C02EC93458ACCA PRP: Verified PRP without proof (not generated)
2017-10-18	Oliver Kruse	C-PRP	M2637799/11285356402543446287 : C5C02EC93458ACCA PRP: Verified PRP without proof (not generated)
2011-01-20	James Heinrich	F-PM1	Factor: 11285356402543446287
2009-06-21	USAFSS	NF-PM1	B1=30000, B2=420000
2009-01-31	Sturle Sunde	NF	no factor from 2^60 to 2^61