Identifying Factors of Numbers

This video tutorial explores the factors of the numbers 89, 90, and 91. It begins with 89, identifying it as a prime number with factors 1 and 89. The video then delves into the factors of 90, listing them and correcting a mistake in the factor pairs. Finally, it examines the factors of 91, highlighting the valid factor pairs. The video concludes with a prompt to subscribe for more educational content.

What are the factors of the number 89?

• 1 and 89

• 1, 2, and 89

• 1, 3, and 89

• 1, 2, 3, and 89

Which of the following is NOT a factor of 90?

• 7

• 5

• 9

• 15

What is the correct factor pair for 90?

• 5 times 15

• 6 times 15

• 7 times 15

• 8 times 15

Which of these numbers is a factor of 90?

• 18

• 13

• 19

• 11

What are the factors of the number 91?

• 1, 9, 13, and 91

• 1, 8, 13, and 91

• 1, 7, 14, and 91

• 1, 7, 13, and 91

Which of the following is a factor pair of 91?

• 7 times 13

• 7 times 14

• 13 times 14

• 1 times 13