What is the GCF of 15 and 27?
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 15 and 27 is 3
Two methods to find the GCF of 15 and 27 are explained below.
Methods to find GCF of 15 and 27
- GCF of 15 and 27 by Long Division
- GCF of 15 and 27 by Common Factors
Method 1: GCF of 15 and 27 by Long Division
Step 1: Divide 27 by 15 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 the remainder as 0
Method 2: GCF of 15 and 27 by Listing the Common Factors
There are two common factors of 15 and 27, that are, 1 and 3
So, GCF of 15 and 27 is 3
You can find the GCF in any of the above methods but the solution will be the same.