Highest Common Factor of 843, 825 using Euclid's algorithm

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


HCF Calculator using the Euclid Division Algorithm helps you to find the Highest common factor (HCF) easily for 843, 825 i.e. 3 the largest integer that leaves a remainder zero for all numbers.

HCF of 843, 825 is 3 the largest number which exactly divides all the numbers i.e. where the remainder is zero. Let us get into the working of this example.

Consider we have numbers 843, 825 and we need to find the HCF of these numbers. To do so, we need to choose the largest integer first and then as per Euclid's Division Lemma a = bq + r where 0 ≤ r ≤ b

Highest common factor (HCF) of 843, 825 is 3.

HCF(843, 825) = 3

HCF of 843, 825 using Euclid's algorithm

Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.

HCF of:

Highest common factor (HCF) of 843, 825 is 3.

Highest Common Factor of 843,825 using Euclid's algorithm

Highest Common Factor of 843,825 is 3

Step 1: Since 843 > 825, we apply the division lemma to 843 and 825, to get

843 = 825 x 1 + 18

Step 2: Since the reminder 825 ≠ 0, we apply division lemma to 18 and 825, to get

825 = 18 x 45 + 15

Step 3: We consider the new divisor 18 and the new remainder 15, and apply the division lemma to get

18 = 15 x 1 + 3

We consider the new divisor 15 and the new remainder 3, and apply the division lemma to get

15 = 3 x 5 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 3, the HCF of 843 and 825 is 3

Notice that 3 = HCF(15,3) = HCF(18,15) = HCF(825,18) = HCF(843,825) .

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Frequently Asked Questions on HCF of 843, 825 using Euclid's Algorithm

1. What is the Euclid division algorithm?

Answer: Euclid's Division Algorithm is a technique to compute the Highest Common Factor (HCF) of given positive integers.

2. what is the HCF of 843, 825?

Answer: HCF of 843, 825 is 3 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 843, 825 using Euclid's Algorithm?

Answer: For arbitrary numbers 843, 825 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.