What is the HCF of 18 and 24?
The highest common factor of two or more numbers is the largest possible number that exactly divides the given numbers. It is also known as the greatest common divisor or the greatest common factor.
Answer: HCF of 18 and 24 is 6
Let us see how to find the HCF of 18 and 24
Methods to Find HCF of 18 and 24
We opt for the following methods to find HCF:

Prime factorization

Listing the common factors method
Method1: Prime Factorization To Find HCF of 18 and 24
18 and 24 as represented as a product of prime numbers
2 × 3 × 3 is the prime factorization of 18.
2 × 2 × 2 × 3 is the prime factorization of 24.
The highest common factor is the product of the common prime factors of the given numbers.
Method2: HCF of 18 and 24 by Listing the Common Factors
Factors of 18: 1, 2, 3, 6, 9 and 18
Factors of 24: 1, 2, 3, 4, 6, 8, 12 and 24
Common Factors of 18 and 24: 1, 2, 3 and 6
HCF of 18 and 24 is 6
You can find the HCF by choosing any of the methods but the answer remains the same.