2 452 867 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 4 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
2509439924489	13	41.2	old
7051362924983761	16	52.6	2014-08-19 11:38:31
9984290632567701939860399911	28	93.0	2018-08-29 01:31:01
37095694022777079578387227423	29	94.9	2018-08-29 01:31:01

ECM

Digits	B1	Curves
25	50000	141 / 280

Estimated T-Level: 22.5 ⓘ

TF below 2^70 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-13	Oliver Kruse	EF0811F22F6B1A42	2	1702059	5	3
Verified (Factored)	2017-11-28	kkmrkkblmbrbk	EF0811F22F6B1A42	2	1910625	5	3
Verified	2018-08-31	Oliver Kruse	EF0811F22F6B1A42	4	1433807	5	3

P-1 factors

Date	Factor	B1	B2
2018-08-29	370374190340210887716008494505000764078955361195285959353	2000000	60000000

History

Date	User	Type	Result
2018-08-31	Oliver Kruse	C-PRP	M2452867/2509439924489/7051362924983761/37095694022777079578387227423/9984290632567701939860399911 : EF0811F22F6B1A42 PRP: Verified PRP without proof (not generated)
2018-08-29	alpertron	F-PM1	Factor: 370374190340210887716008494505000764078955361195285959353 / (P-1, B1=2000000, B2=60000000, E=12)
2017-11-28	kkmrkkblmbrbk	C-PRP	M2452867/2509439924489/7051362924983761 : EF0811F22F6B1A42 PRP: Verified PRP without proof (not generated)
2017-10-13	Oliver Kruse	C-PRP	M2452867/2509439924489/7051362924983761 : EF0811F22F6B1A42 PRP: Verified PRP without proof (not generated)
2014-08-19	TJAOI	F	Factor: 7051362924983761