If a number is a factor of 36, which of the following numbers is NOT a factor?

If a number is a factor of 36, which of the following numbers is NOT a factor?

Step 1: Understand what a factor is. A factor of a number is a whole number that can be multiplied by another whole number to get that number.
Step 2: List the factors of 36. The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36.
Step 3: Look at the options given in the question. Identify which numbers are being tested as factors of 36.
Step 4: Check each option against the list of factors of 36. If the number is not in the list, it is NOT a factor.
Step 5: Identify the number that is NOT a factor. In this case, the number that is NOT a factor of 36 is 9, as it is a factor but not a multiple of 4.

Factors – A factor of a number is an integer that can be multiplied by another integer to produce that number.
Multiples – A multiple of a number is the product of that number and an integer.