LCM and GCF Computation and Word Problems

Front

What is the Least Common Multiple (LCM)?

Back

The LCM of two or more numbers is the smallest number that is a multiple of each of the numbers.

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF of two or more numbers is the largest number that divides each of the numbers without leaving a remainder.

Front

How do you find the LCM of two numbers?

Back

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

Front

How do you find the GCF of two numbers?

Back

To find the GCF, list the factors of each number and find the largest factor that appears in both lists.

Front

What is a multiple?

Back

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

Front

What is a factor?

Back

A factor of a number is a whole number that can be divided evenly into that number.

Front

If a number is divisible by 5, what are its possible last digits?

Back

The possible last digits are 0 or 5.

Front

If a number is divisible by 10, what are its possible last digits?

Back

The possible last digit is 0.

Front

What is the LCM of 5 and 10?

Back

The LCM of 5 and 10 is 10.

Front

What is the GCF of 16 and 24?

Back

The GCF of 16 and 24 is 8.