Understanding Factors and Prime Numbers

What is a prime number?

• A number with exactly two factors: one and itself

• A number that is always even

• A number with more than two factors

• A number that can be divided by any other number

Which of the following is a composite number?

• 2

• 3

• 4

• 5

What are the prime factors of 6?

• 3 and 6

• 2 and 4

• 2 and 3

• 1 and 6

How many factors does the number 6 have?

• 2

• 3

• 4

• 5

In the word problem, what is the total width of Marcel's painting?

• 20 inches

• 15 inches

• 10 inches

• 25 inches

What are the prime factors of 20?

• 1 and 20

• 4 and 5

• 10 and 2

• 2 and 5

What is the first step in creating a factor tree for the number 36?

• Multiply 36 by 1

• Divide 36 by 3

• Subtract 6 from 36

• Divide 36 by 2

Which of the following numbers is divisible by 2?

• 15

• 23

• 45

• 36

What is the result of multiplying the prime factors of 36?

• 48

• 24

• 18

• 36

What is the purpose of using a factor tree?

• To find the sum of numbers

• To identify prime numbers

• To multiply numbers together

• To break down a number into its prime factors