M2.2 Least Common Multiple

LCM of 6 and 10

30

LCM of 25 and 50

50

LCM of 5 and 11

55

LCM of 8 and 56

56

LCM of 12 and 30

60

LCM of 4 and 9

36

LCM of 14 and 21

42

LCM of 9 and 15

45

LCM of 16 and 24

48

What is the LCM of two numbers if one number is a multiple of the other?

The LCM is the greater of the two numbers. For example, the LCM of 4 and 8 is 8.

What is the LCM of two numbers that have no common factors greater than 1?

The LCM is the product of the two numbers. For example, the LCM of 4 and 9 is 36.

least common multiple (LCM)

The least number that is a common multiple of two or more numbers. The FIRST multiple shared by both numbers.

multiple

The product of a whole number and any other whole number.

common

shared by both numbers

least

smallest or first on a number line

product

the answer to a multiplication problem