Difference between revisions of "Proper divisor"

(Thats a proper divisor)
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A proper Divisor is anything that can divide by itself but itself

Revision as of 10:12, 10 September 2012

A proper divisor of a positive integer $n$ is any divisor of $n$ other than $n$ itself. Thus, prime numbers have exactly one proper divisor, 1, and every other number has at least two proper divisors.

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