What is the GCF of 12 and 18?
Greatest common factor of two or more numbers is the largest possible number which divides the given numbers exactly without any remainder.
Answer: GCF of 12 and 18 is 6
Let's see how to find the GCF of 12 and 18
Methods to Find the GCF of 12 and 18
We can find the GCF by the following methods
GCF of 12 and 18 by Prime Factorization
Let us represent 12 and 18 as a product of its prime numbers
GCF is the product of the factors that are common to each of the given numbers.
GCF of 12 and 18 by Listing the Common Factors
Common Factors of 12 and 18 are 1, 2, 3, 6
Greatest common factor= 6
GCF of 12 and 18 is 6
GCF of 12 and 18 by Long Division
- Step 1: Divide 18 by 12 and check the remainder.
- Step 2: 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.
- Step 3: Continue till you get remainder as 0
You can find the GCF in any of the above methods but the solution will be the same.