2 597 081 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 3 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
8587041183319441	16	52.9	old
126650703871414783	18	56.8	2015-05-01 11:52:26
779097002803597519	18	59.4	2015-11-20 12:19:51

ECM

Digits	B1	Curves
25	50000	234 / 280

Estimated T-Level: 24.2 ⓘ

TF below 2^75 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)	2017-10-15	Oliver Kruse	10DCB86C3D680B45	3	1865256	5	3
Verified	PRP without proof (not generated)	2017-12-02	storm5510	10DCB86C3D680B45	3	1219737	5	3

History

Date	User	Type	Result
2022-09-25	USAFSS	NF-PM1	B1=300000, B2=313610220
2017-12-02	storm5510	C-PRP	M2597081/8587041183319441/126650703871414783/779097002803597519 : 10DCB86C3D680B45
2017-10-15	Oliver Kruse	C-PRP	M2597081/8587041183319441/126650703871414783/779097002803597519 : 10DCB86C3D680B45
2015-11-20	TJAOI	F	Factor: 779097002803597519
2015-05-01	TJAOI	F	Factor: 126650703871414783

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