Factoring REVIEWER-Math 8

What are all prime numbers divisible by?

• 1, 2, and itself

• 1 and itself

• Every number from 1-10

• They aren't divisable at all

Find the prime number.

• 10
• 9
• 7
• 4

Which list has only prime numbers?

• 2, 3, 4, 5
• 1, 5, 7, 9
• 2, 3, 5, 7
• 2, 4, 6, 8

which number below is NOT prime?

• 7
• 9
• 2
• 3

How many factors does a prime number have?

• one

• three

• two

• four

The common factors of 30 and 45.

• 1, 2, 10, 15

• 1, 2, 3, 5, 15

• 1, 3, 5, 15

• 1, 3, 5, 10, 15

What is the GCF of 18 and 24?

• 3

• 6

• 8

• 9

What is the GCF of 4 and 12?

• 3
• 1
• 6
• 4

What is the greatest factor of 28 and 49?

• 1
• 2
• 7
• 12

What is the first step when factoring polynomials?

• Find the GCF

• List all the terms

• Make the X and fill in the top and bottom

• Multiply a and c