math, assingnment 4, unit 2

multiple

the product of a number and another whole number

The GCF of two prime numbers is _____. A.) 1 B.) 2 C.) 3 D.) 4

A.) 1

Which of the following sets of numbers have the same LCM as 12, 10, 5? A.) 10, 20, 30 B.) 8, 10, 12 C.) 5, 15, 45 D.) 3, 6, 9

A.) 10, 20, 30

Find the LCM of 8 and 12. A.) 8 B.) 12 C.) 24 D.) 96

B.) 24

Which of the following sets of numbers have a LCM of 60? A.) 3, 12, 8 B.) 4, 10, 12 C.) 10, 8, 20 D.) 15, 30, 3

B.) 4, 10, 12

What is the LCM of 5, 13, and 10? A.) 50 B.) 65 C.) 130 D.) 650

C.) 130

Find the LCM of 9 and 15. A.) 1 B.) 3 C.) 45 D.) 135

C.) 45

The GCF of 28 and 42 is _____. A.) 2 B.) 4 C.) 7 D.) 14

D.) 14

Which of the following pairs of numbers has a GCF of 1? A.) 30 and 70 B.) 24 and 44 C.) 12 and 30 D.) 16 and 21

D.) 16 and 21

greatest common factor (GCF)

The largest factor that two or more numbers have in common.

least common multiple (LCM)

The least number that is a common multiple of two or more numbers.

factor

a number that divides evenly into another number