Least Common Multiple

Front

What is the Least Common Multiple (LCM)?

Back

The Least Common Multiple (LCM) of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.

Front

How do you find the LCM of two numbers?

Back

To find the LCM of two numbers, list the multiples of each number and identify the smallest multiple that appears in both lists.

Front

LCM(10, 4) = ?

Back

20

Front

LCM(6, 7) = ?

Back

42

Front

What is the LCM of 4 and 14?

Back

28

Front

LCM(2, 8) = ?

Back

8

Front

If Juanita runs every third day and swims every fifth day, what is the first day she will both run and swim again?

Back

15

Front

What is the relationship between LCM and GCD (Greatest Common Divisor)?

Back

The relationship is given by the formula: LCM(a, b) = (a * b) / GCD(a, b).

Front

What is a multiple?

Back

A multiple of a number is the product of that number and an integer.

Front

What are the first five multiples of 3?

Back

3, 6, 9, 12, 15.