Least Common Multiple and Greatest Common Factor

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two numbers is the smallest number that is a multiple of both numbers.

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor (GCF) of two numbers is the largest number that divides both numbers without leaving a remainder.

Front

What is the least common multiple of 6 and 12?

Back

12

Front

What is the least common multiple of 8 and 3?

Back

24

Front

What is the least common multiple of 6 and 7?

Back

42

Front

What is the least common multiple of 9 and 18?

Back

18

Front

What is the greatest common factor of 12 and 16?

Back

4

Front

How do you find the least common multiple of two numbers?

Back

List the multiples of each number and find the smallest multiple they have in common.

Front

How do you find the greatest common factor of two numbers?

Back

List the factors of each number and find the largest factor they have in common.

Front

What are multiples of 3?

Back

The multiples of 3 are 3, 6, 9, 12, 15, 18, ...