Find GCF of the Numbers
Start dividing both numbers by 2, 3, 5, or 7...
Find the common numbers
GCF =
GCF =
HOW TO USE
- In this exercise, you will find the Greatest Common Factor (GCF) of two numbers.
- ▶ Look at the numbers and the question.
- ▶ Divide both numbers by 2, 3, 5, 7, or 11, one by one.
- ▶ Write down the quotients for both numbers.
- ▶ Find the common quotients and multiply them together to find the GCF.
- ▶ Use the number pad to enter your answer.
- ▶ Click the check button to see if your answer is correct.
- ▶ If you want to try again, click 'New Question.'
- Have fun finding the GCF!