2 576 573 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
4457857775951	13	42.0	old
150811491593423	15	47.1	2008-09-30 14:37:14
2798253730398420127	19	61.3	2016-04-15 11:10:15

ECM

Digits	B1	Curves
25	50000	142 / 280

Estimated T-Level: 22.5 ⓘ

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)	2017-10-15	Oliver Kruse	D31DC1017EB86560	3	560579	5	3
Verified	PRP without proof (not generated)	2017-12-01	storm5510	D31DC1017EB86560	3	793199	5	3

History

Date	User	Type	Result
2022-09-02	USAFSS	NF-PM1	B1=300000, B2=235092660
2017-12-01	storm5510	C-PRP	M2576573/4457857775951/150811491593423/2798253730398420127 : D31DC1017EB86560
2017-10-15	Oliver Kruse	C-PRP	M2576573/4457857775951/150811491593423/2798253730398420127 : D31DC1017EB86560
2016-04-15	TJAOI	F	Factor: 2798253730398420127
2008-09-30	markr	F	Factor: 150811491593423

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