2 593 919 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
4697948470718047	16	52.1	old
150101962591252631	18	57.1	2015-05-21 11:17:08
9554620327730192401	19	63.1	2016-12-05 12:09:15

ECM

Digits	B1	Curves
25	50000	83 / 280

Estimated T-Level: 21.5 ⓘ

TF below 2^66 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	219A60335FBD04E8	3	2326177	5	3
Verified	PRP without proof (not generated)	2017-12-02	storm5510	219A60335FBD04E8	3	803091	5	3

History

Date	User	Type	Result
2022-09-16	USAFSS	NF-PM1	B1=200000, B2=135491070
2022-03-11	LordJulius	NF	no factor TF: 62-63
2017-12-02	storm5510	C-PRP	M2593919/4697948470718047/150101962591252631/9554620327730192401 : 219A60335FBD04E8
2017-10-15	Oliver Kruse	C-PRP	M2593919/4697948470718047/150101962591252631/9554620327730192401 : 219A60335FBD04E8
2016-12-05	TJAOI	F	Factor: 9554620327730192401
2015-05-21	TJAOI	F	Factor: 150101962591252631

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