Proper divisor: Difference between revisions
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A '''proper divisor''' of a [[positive integer]] <math>n</math> is any [[divisor]] of <math>n</math> other than <math>n</math> itself. Thus, [[prime number]]s have exactly one proper divisor, 1, and every other number has at least two proper divisors. | A '''proper divisor''' of a [[positive integer]] <math>n</math> is any [[divisor]] of <math>n</math> other than <math>n</math> itself. Thus, [[prime number]]s have exactly one proper divisor, 1, and every other number has at least two proper divisors. | ||
== See Also == | |||
*[[Deficient number]] | |||
*[[Abundant number]] | |||
*[[Perfect number]] | |||
{{stub}} | {{stub}} | ||
Revision as of 21:56, 25 February 2014
A proper divisor of a positive integer 
is any divisor of other than itself. Thus, prime numbers have exactly one proper divisor, 1, and every other number has at least two proper divisors.
See Also
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