Greatest Common Factor & Least Common Multiple

Factors

100

What are the factors of 6?

What is 1, 2, 3, 6

200

What are the factors of 20?

What is 1, 2, 4, 5, 10, 20

300

What are the factors of 25?

What is 1, 5, 25

400

What are the factors of 18?

What is 1, 2, 3, 6, 9, 18

500

What are the factors of 30?

What is 1, 2, 3, 5, 6, 10, 15, 30

Multiples

100

What are the first five multiples of 4?

What is 4, 8, 12, 16, 20

200

What are the first five multiples of 7?

What is 7, 14, 21, 28, 35

300

What are the first ten multiples of 10?

What is 10, 20, 30, 40, 50, 60, 70, 80, 90, 100

400

What are the first ten multiples of 9?

What is 9, 18, 27, 36, 45, 54, 63, 72, 81, 90

500

What are the first five multiples of 11?

What is 11, 22, 33, 44, 55

GCF

100

GCF (9, 12)

What is 3

200

GCF (30, 18)

What is 6

300

GCF (25, 35)

What is 5

400

GCF (14, 21)

What is 7

500

GCF (24, 22)

What is 2

LCM

100

LCM (3, 5)

What is 15

200

LCM (8, 12)

What is 24

300

LCM (12, 9)

What is 36

400

LCM (3, 11)

What is 33

500

LCM (8, 2)

What is 8