More Lessons for SAT Math
Examples, solutions, and videos that will explain factors, multiples and prime numbers.
The following diagrams show how to find the multiples and factors of a number. Scroll down the page for more examples and solutions to find the multiples and factors of a number.
Multiples, Factors and Prime Numbers
In this lesson, we will learn about multiples, factors, and prime numbers. We will then explore how we can use these to find prime factors using prime factor trees.
Answers to questions in the video:
First 5 multiples of 9 - 9, 18, 27, 36, 45
First 5 multiples of 15 - 15, 30, 45, 60, 75
Factors of 60 - 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
Factors of 125 - 1, 5, 25, 125
Prime factors of 112 - 2 × 2 × 2 × 2 × 7
Prime factors of 250 - 2 × 5 × 5 × 5
Factors that are Multiples
This video explores how many factors of a certain number are also a multiple of another number.
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