2 613 041 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
1063863060577	13	40.0	old
8701691513261729	16	53.0	2014-03-31 01:28:08

ECM

Digits	B1	Curves
25	50000	186 / 280

Estimated T-Level: 23.3 ⓘ

TF below 2^72 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)	2017-10-18	Oliver Kruse	FEAAA0B99F9D8E13	2	2532343	5	3
Verified	PRP without proof (not generated)	2017-12-02	storm5510	FEAAA0B99F9D8E13	2	247924	5	3

History

Date	User	Type	Result
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-12-02	storm5510	C-PRP	M2613041/1063863060577/8701691513261729 : FEAAA0B99F9D8E13
2017-10-18	Oliver Kruse	C-PRP	M2613041/1063863060577/8701691513261729 : FEAAA0B99F9D8E13
2014-03-31	pdazzl	F	Factor: 8701691513261729 / TF: 48-54

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