2 594 689 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
43578595127866153	17	55.3	old
43314020516530978725713	23	75.2	2019-02-12 04:12:10

ECM

Digits	B1	Curves
25	50000	75 / 280

Estimated T-Level: 21.3 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-15	Oliver Kruse	2F86808EBB15DFB1	1	1832865	5	3
Verified (Factored)	2017-12-02	kkmrkkblmbrbk	2F86808EBB15DFB1	1	2172150	5	3
Verified	2019-02-12	ATH	2F86808EBB15DFB1	2	247696	5	3

P-1 factors

Date	Factor	B1	B2
2019-02-12	43314020516530978725713	2000000	60000000

History

Date	User	Type	Result
2019-02-12	ATH	C-PRP	M2594689/43578595127866153/43314020516530978725713 : 2F86808EBB15DFB1 PRP: Verified PRP without proof (not generated)
2019-02-12	alpertron	F-PM1	Factor: 43314020516530978725713 / (P-1, B1=2000000, B2=60000000, E=12)
2017-12-02	kkmrkkblmbrbk	C-PRP	M2594689/43578595127866153 : 2F86808EBB15DFB1 PRP: Verified PRP without proof (not generated)
2017-10-15	Oliver Kruse	C-PRP	M2594689/43578595127866153 : 2F86808EBB15DFB1 PRP: Verified PRP without proof (not generated)