2 570 651 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
6231155197961	13	42.5	old
1656695568421079	16	50.6	2014-03-30 14:30:31

ECM

Digits	B1	Curves
25	50000	128 / 280

Estimated T-Level: 22.3 ⓘ

TF below 2^69 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	735B7F79AB9AD008	2	188735	5	3
Verified	PRP without proof (not generated)	2017-12-01	storm5510	735B7F79AB9AD008	2	590563	5	3

History

Date	User	Type	Result
2022-09-01	USAFSS	NF-PM1	B1=300000, B2=258641460
2017-12-01	storm5510	C-PRP	M2570651/6231155197961/1656695568421079 : 735B7F79AB9AD008
2017-10-15	Oliver Kruse	C-PRP	M2570651/6231155197961/1656695568421079 : 735B7F79AB9AD008
2014-03-30	pdazzl	F	Factor: 1656695568421079 / TF: 48-54

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