Identify Prime

Is 2 prime or composite?

• Prime

• Composite

Is 3 prime or composite?

• Prime

• Composite

Is 5 prime or composite?

• Prime

• Composite

Is 7 prime or composite?

• Prime

• Composite

A _______ number is a whole number that has only one pair of factors:

itself and 1

Example: 1, 2, 3, 5, 7, 11, 13, 17, 19, etc.

Is 7 a prime number or a composite number?

• composite

• prime

Which of the following numbers are prime?

​ ​ (a)   ​ (b)  

• 7

• 19

• 4

• 9

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

The smallest 2-digit prime number is

• 10

• 11

• 97

• 99

Which number listed below is a prime number?

• 1

• 37

• 63

• 33