Math Definitions - Letter P

Proper Factor

Definition of Proper Factor

A proper factor is a factor of a number that is not equal to the number itself.

Some people also say that \(1\) is not a proper factor.

For example, the factors of \(16\) are \(1,2,4,8,16\). The proper factors of \(16\) are \(1,2,4,8\).

Some people would say that the proper factors of \(16\) are \(2,4,8\).


The aim of this dictionary is to provide definitions to common mathematical terms. Students learn a new math skill every week at school, sometimes just before they start a new skill, if they want to look at what a specific term means, this is where this dictionary will become handy and a go-to guide for a student.


Year 1 to Year 12 students

Learning Objectives

Learn common math terms starting with letter P

Author: Subject Coach
Added on: 6th Feb 2018

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