CALCULATOR
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GCF Calculator
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INTRO
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A factor is a number that fits evenly into a given number.
GCD is the same thing as GCF. It tells us the largest number two or more numbers can be evenly divided by.Check out our or explore our and sections to learn more about how to find the greatest common factor and test your understanding.
Factors always come in pairs consisting of the factor and the number of times it fits evenly into the given number.
It's like we're dividing candy up - the factors are the number of people we can divide the candy equally among and the number of pieces each person gets.
Click on the buttons below to see the factors and factor pairs of :
Factors of
:
fits evenly into times.
The Greatest Common Factor (GCF) is the largest factor two or more numbers have in common.
| Factors of | |
| Factors of |
When we organize the factors from least to greatest, we can easily see that the GCF of and is .
Greatest Common Divisor (GCD)
Calculator
Lesson
Practice
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KEY STEPS
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How to Find the GCF
Step 1. Remember what a factor is.
A factor is a number that fits evenly into another number.
Step 2. Find the factors of the first number.
We’re looking for every number that fits evenly into the first number.
Step 3. Find the factors of the second number.
We’re looking for every number that fits evenly into the second number.
Step 4. Find the greatest common factor.
This is the largest factor the two numbers have in common.
LESSON
— Finding the GCF
PRACTICE
— Finding the GCF
CONCLUSION
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