Factor Pairs

Choose TWO factor pairs of 15.

• 1, 15

• 2, 13

• 3, 5

• 4, 11

Choose TWO factor pairs of 91.

• 9, 9

• 1, 91

• 7, 13

• 7, 8

Choose TWO factor pairs of 34.

• 2, 17

• 3, 8

• 4, 9

• 1, 34

Choose THREE factor pairs of 45.

• 3, 15

• 1, 45

• 5, 40

• 5, 9

Is 14 PRIME or COMPOSITE?

• PRIME

• COMPOSITE

Is 9 PRIME or COMPOSITE?

• PRIME

• COMPOSITE

Is 21 PRIME or COMPOSITE?

• PRIME

• COMPOSITE

Is 17 PRIME or COMPOSITE?

• PRIME

• COMPOSITE

Is 36 PRIME or COMPOSITE?

• PRIME

• COMPOSITE

Is 31 PRIME or COMPOSITE?

• PRIME

• COMPOSITE