Highest Common Factor of 1543, 4731 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 1543, 4731 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 1543, 4731 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 1543, 4731 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 1543, 4731 is 1.

HCF(1543, 4731) = 1

HCF of 1543, 4731 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 1543, 4731 is 1.

Highest Common Factor of 1543,4731 using Euclid's algorithm

Highest Common Factor of 1543,4731 is 1

Step 1: Since 4731 > 1543, we apply the division lemma to 4731 and 1543, to get

4731 = 1543 x 3 + 102

Step 2: Since the reminder 1543 ≠ 0, we apply division lemma to 102 and 1543, to get

1543 = 102 x 15 + 13

Step 3: We consider the new divisor 102 and the new remainder 13, and apply the division lemma to get

102 = 13 x 7 + 11

We consider the new divisor 13 and the new remainder 11,and apply the division lemma to get

13 = 11 x 1 + 2

We consider the new divisor 11 and the new remainder 2,and apply the division lemma to get

11 = 2 x 5 + 1

We consider the new divisor 2 and the new remainder 1,and apply the division lemma to get

2 = 1 x 2 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1543 and 4731 is 1

Notice that 1 = HCF(2,1) = HCF(11,2) = HCF(13,11) = HCF(102,13) = HCF(1543,102) = HCF(4731,1543) .

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Frequently Asked Questions on HCF of 1543, 4731 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 1543, 4731?

Answer: HCF of 1543, 4731 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 1543, 4731 using Euclid's Algorithm?

Answer: For arbitrary numbers 1543, 4731 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.