Can somebody please explain, why in the following question,
http://codeforces.net/problemset/problem/576/A are we checking with all the powers of a prime whether the given number is divisible or not? why don't we stop, for a prime factor, as soon as we find its first power that is either greater than n or doesn't divide it completely ?
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Conceptual Doubt
Revision en1, by vbansal027, 2016-08-14 15:01:18
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