Definition of proper factors: For any number n, proper factors are the factors of n excluding n itself. Example: Factors of 12 are 1, 2, 3, 4, 6, 12; proper factors are 1, 2, 3, 4, 6.
Definition of proper factors with example for the number 12, showing factors and proper factors on a blue background with numbers.
Quality Assured by Worksheets Library Team
Reviewed for educational accuracy and age-appropriateness
ID: #658760