Factors Multiples Prime

Which is a NOT a FACTOR of 12?

• 1

• 3

• 5

• 12

Which is a COMMON FACTOR between 12 and 18?

• 4

• 3

• 9

• 5

A PRIME NUMBER is...

• a number that has only one factor.

• a number that has at least two factors.

• a number that has more than two factors.

• a number that has only two factors.
  (1 and itself)

Is 2 a prime or composite number?

• Prime

• Composite

Which is a PRIME number?

• 15

• 17

• 21

• 39

Is 100 a prime or composite number?

• Prime

• Composite

Which number below is NOT PRIME?

• 2

• 11

• 13

• 18

Which number is COMPOSITE?

• 11
  11

• 13

• 21

• 23

Factors of 15.

• 1,3,5,15

• 1,3,5,10,15

First three multiples of 16.

• 16,26,48

• 16,32,48