Prime and Composite with Pictures

Prime or Composite

7

• Prime

  Exactly 2 factors - 1 & itself

• Composite

  3 or more facotrs

Prime or Composite

11

• Prime

  Exactly 2 factors - 1 & itself

• Composite

  3 or more facotrs

A number that has only 2 factors (1 and itself) is called?

• composite

• prime

• product

• difference

Which of the following numbers is a composite number?

• 2

• 3

• 5

• 9

True/False The number 1 is neither prime nor composite.

• True

• False

Which of the following numbers are composite?

​ ​ (a)   ​ (b)   ​ (c)  

• 12

• 39

• 51

• 23

Which of the following lists ALL of the prime numbers on a clock face?

• 1, 3, 5, 7, 11

• 3, 5, 7, 9, 11

• 2, 3, 7, 9

• 2, 3, 5, 7, 11

1 is neither prime nor composite

• True

• False

Is 12 prime or composite?

• prime

• composite

Which of the following numbers is composite?

• 21

• 2

• 37

• 41