Highest Common Factor of 571, 65 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 571, 65 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 571, 65 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 571, 65 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 571, 65 is 1.

HCF(571, 65) = 1

HCF of 571, 65 using Euclid's algorithm

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

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Highest common factor (HCF) of 571, 65 is 1.

Highest Common Factor of 571,65 using Euclid's algorithm

Highest Common Factor of 571,65 is 1

Step 1: Since 571 > 65, we apply the division lemma to 571 and 65, to get

571 = 65 x 8 + 51

Step 2: Since the reminder 65 ≠ 0, we apply division lemma to 51 and 65, to get

65 = 51 x 1 + 14

Step 3: We consider the new divisor 51 and the new remainder 14, and apply the division lemma to get

51 = 14 x 3 + 9

We consider the new divisor 14 and the new remainder 9,and apply the division lemma to get

14 = 9 x 1 + 5

We consider the new divisor 9 and the new remainder 5,and apply the division lemma to get

9 = 5 x 1 + 4

We consider the new divisor 5 and the new remainder 4,and apply the division lemma to get

5 = 4 x 1 + 1

We consider the new divisor 4 and the new remainder 1,and apply the division lemma to get

4 = 1 x 4 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 571 and 65 is 1

Notice that 1 = HCF(4,1) = HCF(5,4) = HCF(9,5) = HCF(14,9) = HCF(51,14) = HCF(65,51) = HCF(571,65) .

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Frequently Asked Questions on HCF of 571, 65 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 571, 65?

Answer: HCF of 571, 65 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 571, 65 using Euclid's Algorithm?

Answer: For arbitrary numbers 571, 65 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.