Prime and Composite Review

Prime and Composite

We have a test tomorrow about:

Factors 

Prime and Composite Numbers

Factor

A number multiplied by another number to find a product

Multiple Select

Choose all the factors of 56.

• 4 x 14

• 7 x 8

• 2 x 28

• 1 x 56

Multiple Select

Choose all the factors of 64.

• 1 x 64

• 4 x 16

• 2 x 32

• 8 x 8

Composite and Prime

• Prime Numbers have one set of factors.  17 is prime because 17 x 1 = 17 and 47 is prime because 1 x 47 = 47

• Composite numbers have more than one set of factors.  1x24; 2x12; 3x8; 4x6 all equal 24 so 24 is composite

Multiple Select

Is 36 prime or composite?

• prime

• composite

• both

Multiple Select

Is 57 prime or composite?

• prime

• composite

• both

Multiple Select

Is 79 prime or composite?

• prime

• composite

• both