HCF of 42, 231 using Euclid's algorithm
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Want to know how to use Euclid’s algorithm to find the HCF of 42, 231 ? Well, you have come to the right place. In this article, you will be learning about Euclid’s algorithm and how to use it to calculate the HCF with ease.
Take the help of the HCF Calculator using the Euclid Division Algorithm which finds HCF of 42, 231 using Euclid's algorithm i.e 21 quickly.
Detailed Method to Find the HCF of 42,231 using Euclid's algorithm
Euclid’s algorithm is written as a = bq + r. This is known as the division lemma. The variable r varies according to 0 ≤ r ≤ b. We can use this to figure out the HCF of 42,231. This is how to do it.
Step 1: The first step is to use the division lemma with 231 and 42 because 231 is greater than 42
231 = 42 x 5 + 21
Step 2: Here, the reminder 42 is not 0, we must use division lemma to 21 and 42, to get
42 = 21 x 2 + 0
As you can see, the remainder is zero, so you may end the process at this point. From the last equation, we can determine that the divisor is 21.Therefore, the HCF of 42 and 231 is equal to 21
Notice that 21 = HCF(42,21) = HCF(231,42) .
Result
Hence, the HCF of 42, 231 is equal to 21.
FAQ on HCF of 42, 231 using Euclid's Algorithm
1. What is the Euclid division algorithm?
Answer: Euclid’s algorithm is represented as a = bq + r, and 0 ≤ r ≤ b..
2. How do you find HCF using Euclid's algorithm ?
Answer: Apply the division lemma to the numbers, and keep going until the remainder is zero. Once it becomes zero, the divisor will be your HCF.
3. What is the HCF of 42, 231?
Answer: The HCF of 42, 231 is 21.