What is the GCF of 40 and 60?
GCF (Greatest Common Factor) of two or more numbers is the highest possible number that can divide the given numbers exactly.
Answer: GCF of 40 and 60 is 20
Let's find GCF of 40 and 60
We can find the GCF by any of the following methods shown below:
- Listing the common factors method
- Long division Method
Method 1: GCF of 40 and 60 by Long Division
First of all, divide 60 by 40 and check the remainder.
Now, make the remainder of the above step as the divisor and the divisor of the above step as the dividend and perform the long division again.
Continue this process till you get the remainder as 0.
Method 2: GCF of 40 and 60 by Listing the Common Factors
Common Factors of 15 and 25 : 1, 2, 4, 5, 10 and 20
The greatest common factor is 20
GCF of 40 and 60 is 20