Highest Common Factor of 815, 73309 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 815, 73309 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 815, 73309 is 1 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 815, 73309 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 815, 73309 is 1.

HCF(815, 73309) = 1

HCF of 815, 73309 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 815, 73309 is 1.

Highest Common Factor of 815,73309 using Euclid's algorithm

Highest Common Factor of 815,73309 is 1

Step 1: Since 73309 > 815, we apply the division lemma to 73309 and 815, to get

73309 = 815 x 89 + 774

Step 2: Since the reminder 815 ≠ 0, we apply division lemma to 774 and 815, to get

815 = 774 x 1 + 41

Step 3: We consider the new divisor 774 and the new remainder 41, and apply the division lemma to get

774 = 41 x 18 + 36

We consider the new divisor 41 and the new remainder 36,and apply the division lemma to get

41 = 36 x 1 + 5

We consider the new divisor 36 and the new remainder 5,and apply the division lemma to get

36 = 5 x 7 + 1

We consider the new divisor 5 and the new remainder 1,and apply the division lemma to get

5 = 1 x 5 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 815 and 73309 is 1

Notice that 1 = HCF(5,1) = HCF(36,5) = HCF(41,36) = HCF(774,41) = HCF(815,774) = HCF(73309,815) .

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Frequently Asked Questions on HCF of 815, 73309 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 815, 73309?

Answer: HCF of 815, 73309 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 815, 73309 using Euclid's Algorithm?

Answer: For arbitrary numbers 815, 73309 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.