2 379 757 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
2846386334967863	16	51.3	old
611036078501824371361087153	27	89.0	2018-06-08 22:55:51

ECM

Digits	B1	Curves
25	50000	167 / 280

Estimated T-Level: 23.0 ⓘ

TF below 2^71 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-12	Oliver Kruse	D389C3E25FCA26B9	1	1052429	5	3
Verified (Factored)	2017-11-25	kkmrkkblmbrbk	D389C3E25FCA26B9	1	1841976	5	3
Verified	2018-06-09	megavink	D389C3E25FCA26B9	2	1448411	5	3

P-1 factors

Date	Factor	B1	B2
2018-06-08	611036078501824371361087153	2000000	60000000

History

Date	User	Type	Result
2018-06-09	megavink	C-PRP	M2379757/2846386334967863/611036078501824371361087153 : D389C3E25FCA26B9 PRP: Verified PRP without proof (not generated)
2018-06-08	alpertron	F-PM1	Factor: 611036078501824371361087153 / (P-1, B1=2000000, B2=60000000, E=12)
2017-11-25	kkmrkkblmbrbk	C-PRP	M2379757/2846386334967863 : D389C3E25FCA26B9 PRP: Verified PRP without proof (not generated)
2017-10-12	Oliver Kruse	C-PRP	M2379757/2846386334967863 : D389C3E25FCA26B9 PRP: Verified PRP without proof (not generated)