Prove that the real number m2 is divisible by a then m is also divisible by a.
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Originally Posted by shaneeza Prove that the real number m2 is divisible by a then m is also divisible by a. Care to share your solution? It might help out someone else.
Edit: Ummmm... You might need to see if this is the correct question. m = 4 gives 4^2 = 16 is divisible by a = 8. But 4 is not divisible by 8.
Last edited by topsquark; October 22nd 2013 at 05:44 PM.
well! actually i need some help because i can really solved this?
Originally Posted by shaneeza well! actually i need some help because i can really solved this? It isn't your fault. The problem statement is flawed as I demonstrated. Unfortunately I haven't a clue what was intended. Where did you get the problem from?
I believe what was intended is that "if 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 .