perplexus.info :: Just Math : Not too many

Not too many (Posted on 2017-07-24)

How many distinct integer solution of the equation
2ⁿ-2=n!

exist?

List them.

Submitted by Ady TZIDON

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Solution: (Hide)

Not too many - only 2 and 3 qualify!

Comments: ( You must be logged in to post comments.)

	Subject	Author	Date
	Analytical solution (spoiler)	Steve Herman	2017-07-24 09:55:24

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