Prime & Composite Numbers

Is this number prime or composite?
23

• Prime
• Composite

Is this number prime or composite?
25

• Prime
• Composite

Is this number prime or composite?
36

• Prime
• Composite

Is this number prime or composite?
51

• Prime
• Composite

Is this number prime or composite?
29

• Prime
• Composite

Which lists all of the factors of 10?

• 1, 2, 5, 10
• 2, 5, 10
• 1, 2, 10
• 1, 10

Tags

CCSS.4.OA.B.4

Which lists all the factors of 27?

• 1, 27
• 1, 3, 9, 27
• 1, 3, 9
• 1, 3, 27

Which lists all of the factors of 89?

• 1, 8, 9, 89
• 1, 4, 8, 9, 17, 89
• 1, 89
• 1, 9, 89

Which of the following lists all the factors of 36?

• 1, 3, 6, 9, 12, 18, 36
• 1, 2, 3, 6, 9, 18, 36
• 1, 3, 6, 9, 18, 12
• 1, 2, 3, 4, 6, 9, 12, 18, 36

Is the number 1 prime or composite?

• Prime
• Composite
• Both
• Neither

Tags

CCSS.4.OA.B.4