Least Common Multiple and Greatest Common Factor

What is the least common multiple (LCM) for 12 and 18?

• 6

• 24

• 16

• 32

Which number is NOT a multiple for both 3 and 11?

• 88

• 126

• 132

• 139

What is the least common multiple for 11 and 12?

• 121

• 112

• 122

• 132

Which pair of answer choices represents the common factors of 84 and 36?

• 2,3,4,36

• 2,3,4,6,12

• 2,3,5,7

• 2,3,4,6,8

What is the greatest common factor of 45 and 6?

• 15

• 9

• 3

• 270

Rewrite the following addition problem (36 + 42) with an equivalent expression by factoring out the GCF.

• 3(12 + 14)

• 6(6 + 7)

• 2(18 + 21)

• 4(9 + 11)

Tags

CCSS.7.EE.A.1

Which of the following represents an equivalent expression for 2(5 + 9 + 12).

• (10 + 16 + 24)

• 2(27)

• (10 + 18 + 24)

• 2(10 + 21)

Rewrite the product 8(6 + 12) as the sum of two numbers.

• (48 + 96)

• 4(3 + 6)

• (12 + 20)

• (96 + 84)