2 499 589 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

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

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
463557678586841	15	48.7	old
106559358121033217	18	56.6	2015-04-14 11:14:21

ECM

Digits	B1	Curves
25	50000	145 / 280

Estimated T-Level: 22.6 ⓘ

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

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-10-14	Oliver Kruse	B3047DD1489B8BF7	2	1734432	5	3
Verified	PRP without proof (not generated)	2017-11-30	storm5510	B3047DD1489B8BF7	2	862893	5	3

History

Date	User	Type	Result
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-30	storm5510	C-PRP	M2499589/463557678586841/106559358121033217 : B3047DD1489B8BF7
2017-10-14	Oliver Kruse	C-PRP	M2499589/463557678586841/106559358121033217 : B3047DD1489B8BF7
2015-04-14	TJAOI	F	Factor: 106559358121033217

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