2 345 923 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 1 known prime factor. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶²

Factored

Factor	Digits	Bits	Date
96565871231903	14	46.5	old

ECM

Digits	B1	Curves
25	50000	173 / 280

Estimated T-Level: 23.1 ⓘ

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)	2017-10-12	Oliver Kruse	26DABB71C47E7BCB	1	0	1	3
Verified	PRP without proof (not generated)	2017-11-24	storm5510	26DABB71C47E7BCB	1	1861298	1	3

History

Date	User	Type	Result
2018-03-18	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2017-11-24	storm5510	C-PRP	M2345923/96565871231903 : 26DABB71C47E7BCB
2017-10-12	Oliver Kruse	C-PRP	M2345923/96565871231903 : 26DABB71C47E7BCB

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