perplexus.info :: Just Math : Another Remainder Puzzle

Another Remainder Puzzle (Posted on 2007-01-25)

Given that a, b and c are positive integers satisfying the equation:

3^a + 5^b = 7^c + 1.

Derive mathematically the possible remainders when a and c are separately divided by 4.

See The Solution Submitted by K Sengupta

Rating: 4.0000 (1 votes)

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

Subject	Author	Date
re: A partial solution? (spoiler) ....what if...	Ady TZIDON	2007-01-30 09:55:05
A partial solution? (spoiler)	Steve Herman	2007-01-26 09:22:44

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