Factors and Multiples Concepts

This video tutorial by Mr. J covers the concepts of factors and multiples, including common factors, greatest common factor (GCF), common multiples, and least common multiple (LCM). The video provides examples using numbers 12, 18, 6, and 15 to illustrate these concepts. It explains how to find factors and multiples, identify common factors and multiples, and determine the GCF and LCM. The tutorial emphasizes understanding through examples and encourages practice to improve skills in listing factors and multiples.

Which of the following is NOT a factor of 12?

• 6

• 5

• 3

• 1

Which of the following is a factor pair of 18?

• 2 and 8

• 4 and 6

• 3 and 5

• 1 and 18

What is the greatest common factor (GCF) of 12 and 18?

• 12

• 3

• 2

• 6

How many common factors do 12 and 18 share?

• 5

• 2

• 3

• 4

What is the smallest factor of any number?

• 0

• 1

• 2

• 3

What is the least common multiple (LCM) of 6 and 15?

• 30

• 15

• 45

• 60

Which number is a common multiple of both 6 and 15?

• 45

• 12

• 18

• 30

What is the first multiple of 6?

• 18

• 12

• 24

• 6

What is the result of multiplying 6 by 5?

• 25

• 30

• 35

• 40

Which of these numbers is NOT a multiple of 15?

• 15

• 50

• 45

• 30