Highest Common Factor of 69, 163 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 69, 163 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 69, 163 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 69, 163 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 69, 163 is 1.

HCF(69, 163) = 1

HCF of 69, 163 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 69, 163 is 1.

Highest Common Factor of 69,163 using Euclid's algorithm

Highest Common Factor of 69,163 is 1

Step 1: Since 163 > 69, we apply the division lemma to 163 and 69, to get

163 = 69 x 2 + 25

Step 2: Since the reminder 69 ≠ 0, we apply division lemma to 25 and 69, to get

69 = 25 x 2 + 19

Step 3: We consider the new divisor 25 and the new remainder 19, and apply the division lemma to get

25 = 19 x 1 + 6

We consider the new divisor 19 and the new remainder 6,and apply the division lemma to get

19 = 6 x 3 + 1

We consider the new divisor 6 and the new remainder 1,and apply the division lemma to get

6 = 1 x 6 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 69 and 163 is 1

Notice that 1 = HCF(6,1) = HCF(19,6) = HCF(25,19) = HCF(69,25) = HCF(163,69) .

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Frequently Asked Questions on HCF of 69, 163 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 69, 163?

Answer: HCF of 69, 163 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 69, 163 using Euclid's Algorithm?

Answer: For arbitrary numbers 69, 163 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.