Prove that the real number m^{2}is divisible by a then m is also divisible by a.

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- Oct 22nd 2013, 04:58 PMshaneezaAnalysis
Prove that the real number m

^{2}is divisible by a then m is also divisible by a. - Oct 22nd 2013, 05:41 PMtopsquarkRe: Analysis
- Oct 22nd 2013, 06:01 PMshaneezaRe: Analysis
well! actually i need some help because i can really solved this?

- Oct 22nd 2013, 09:15 PMtopsquarkRe: Analysis
- Oct 31st 2013, 11:16 AMHallsofIvyRe: Analysis
I believe what was intended is that "if $\displaystyle n^2$ is divisible by

**prime number**a then n is divisible by a". The simplest way to prove that is to look at the prime fatorizations of n and $\displaystyle n^2$.