Highest Common Factor of 579, 781 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 579, 781 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 579, 781 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 579, 781 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 579, 781 is 1.

HCF(579, 781) = 1

HCF of 579, 781 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 579, 781 is 1.

Highest Common Factor of 579,781 using Euclid's algorithm

Highest Common Factor of 579,781 is 1

Step 1: Since 781 > 579, we apply the division lemma to 781 and 579, to get

781 = 579 x 1 + 202

Step 2: Since the reminder 579 ≠ 0, we apply division lemma to 202 and 579, to get

579 = 202 x 2 + 175

Step 3: We consider the new divisor 202 and the new remainder 175, and apply the division lemma to get

202 = 175 x 1 + 27

We consider the new divisor 175 and the new remainder 27,and apply the division lemma to get

175 = 27 x 6 + 13

We consider the new divisor 27 and the new remainder 13,and apply the division lemma to get

27 = 13 x 2 + 1

We consider the new divisor 13 and the new remainder 1,and apply the division lemma to get

13 = 1 x 13 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 579 and 781 is 1

Notice that 1 = HCF(13,1) = HCF(27,13) = HCF(175,27) = HCF(202,175) = HCF(579,202) = HCF(781,579) .

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Frequently Asked Questions on HCF of 579, 781 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 579, 781?

Answer: HCF of 579, 781 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 579, 781 using Euclid's Algorithm?

Answer: For arbitrary numbers 579, 781 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.