Asynchronous Day - GCF & LCM

Front

What is the greatest common factor (GCF)?

Back

The GCF is the largest positive integer that divides all the numbers in a set without leaving a remainder.

Front

How do you find the GCF of two numbers?

Back

To find the GCF, list the factors of each number and identify the largest factor they have in common.

Front

What is the least common multiple (LCM)?

Back

The LCM is the smallest positive integer that is a multiple of all the numbers in a set.

Front

How do you find the LCM of two numbers?

Back

To find the LCM, list the multiples of each number and identify the smallest multiple they have in common.

Front

What is the GCF of 6 and 21?

Back

3

Front

What is the LCM of 4 and 10?

Back

20

Front

If a number is a multiple of another number, what does that mean?

Back

It means that the first number can be divided by the second number without leaving a remainder.

Front

What is a factor?

Back

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

Front

What is the relationship between GCF and LCM?

Back

The product of the GCF and LCM of two numbers is equal to the product of the two numbers.

Front

What is the GCF of 48 and 60?

Back

12