Highest Common Factor of 473, 393 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 473, 393 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 473, 393 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 473, 393 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 473, 393 is 1.

HCF(473, 393) = 1

HCF of 473, 393 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 473, 393 is 1.

Highest Common Factor of 473,393 using Euclid's algorithm

Highest Common Factor of 473,393 is 1

Step 1: Since 473 > 393, we apply the division lemma to 473 and 393, to get

473 = 393 x 1 + 80

Step 2: Since the reminder 393 ≠ 0, we apply division lemma to 80 and 393, to get

393 = 80 x 4 + 73

Step 3: We consider the new divisor 80 and the new remainder 73, and apply the division lemma to get

80 = 73 x 1 + 7

We consider the new divisor 73 and the new remainder 7,and apply the division lemma to get

73 = 7 x 10 + 3

We consider the new divisor 7 and the new remainder 3,and apply the division lemma to get

7 = 3 x 2 + 1

We consider the new divisor 3 and the new remainder 1,and apply the division lemma to get

3 = 1 x 3 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 473 and 393 is 1

Notice that 1 = HCF(3,1) = HCF(7,3) = HCF(73,7) = HCF(80,73) = HCF(393,80) = HCF(473,393) .

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Frequently Asked Questions on HCF of 473, 393 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 473, 393?

Answer: HCF of 473, 393 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 473, 393 using Euclid's Algorithm?

Answer: For arbitrary numbers 473, 393 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.