perplexus.info :: Just Math : Seven Divisibility Settlement

Seven Divisibility Settlement (Posted on 2010-11-13)

M is a positive integer ≥ 2 such that 3^M + 4^M is divisible by M.

Is M always divisible by 7?

If so, prove it. Otherwise, provide a counterexample.

Submitted by K Sengupta

Rating: 3.0000 (3 votes)

Solution: (Hide)

Refer to the solution submitted by broll in this location, and its rejoinder by Brian Smith in this location.

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

Subject	Author	Date
re(2): Possible Solution	K Sengupta	2024-05-07 02:38:49
re: Possible Solution	K Sengupta	2024-05-07 02:38:24
re(2): Possible Solution	broll	2017-06-24 23:37:45
re: Possible Solution	Brian Smith	2017-06-24 13:44:34
Possible Solution	broll	2010-11-13 12:39:18

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