Understanding Factors, Prime Factors, and Multiples of 84

This video tutorial explores the factors, prime factors, and multiples of the number 84. It begins with an introduction to the concepts, followed by a detailed process to find all factors of 84 using multiplication. The video then demonstrates how to create a factor tree to identify the prime factors of 84, which are 2, 3, and 7. Finally, it lists the multiples of 84 up to 840. The video concludes with a prompt to subscribe to the channel for more math and science content.

What is the first step in finding the factors of 84?

• Divide 84 by 2

• Multiply 1 by 84

• Subtract 1 from 84

• List all numbers up to 84

Tags

CCSS.4.OA.B.4

Which of the following is NOT a factor of 84?

• 21

• 28

• 42

• 45

What is the purpose of a factor tree?

• To find the sum of factors

• To list multiples

• To calculate the average of factors

• To identify prime factors

Tags

CCSS.4.OA.B.4

Which of the following is a prime factor of 84?

• 9

• 6

• 7

• 12

How can the prime factorization of 84 be expressed?

• 2^2 x 3 x 7

• 2^3 x 3 x 7

• 2 x 3^2 x 7

• 2 x 3 x 7^2

What is the second multiple of 84?

• 336

• 252

• 84

• 168

Tags

CCSS.4.OA.B.4

Which number is NOT a multiple of 84?

• 756

• 700

• 672

• 588

What is the tenth multiple of 84?

• 756

• 924

• 1008

• 840