Highest Common Factor of 621, 173, 692 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 621, 173, 692 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 621, 173, 692 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 621, 173, 692 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 621, 173, 692 is 1.

HCF(621, 173, 692) = 1

HCF of 621, 173, 692 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 621, 173, 692 is 1.

Highest Common Factor of 621,173,692 using Euclid's algorithm

Highest Common Factor of 621,173,692 is 1

Step 1: Since 621 > 173, we apply the division lemma to 621 and 173, to get

621 = 173 x 3 + 102

Step 2: Since the reminder 173 ≠ 0, we apply division lemma to 102 and 173, to get

173 = 102 x 1 + 71

Step 3: We consider the new divisor 102 and the new remainder 71, and apply the division lemma to get

102 = 71 x 1 + 31

We consider the new divisor 71 and the new remainder 31,and apply the division lemma to get

71 = 31 x 2 + 9

We consider the new divisor 31 and the new remainder 9,and apply the division lemma to get

31 = 9 x 3 + 4

We consider the new divisor 9 and the new remainder 4,and apply the division lemma to get

9 = 4 x 2 + 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 621 and 173 is 1

Notice that 1 = HCF(4,1) = HCF(9,4) = HCF(31,9) = HCF(71,31) = HCF(102,71) = HCF(173,102) = HCF(621,173) .

We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma

Step 1: Since 692 > 1, we apply the division lemma to 692 and 1, to get

692 = 1 x 692 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 692 is 1

Notice that 1 = HCF(692,1) .

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Frequently Asked Questions on HCF of 621, 173, 692 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 621, 173, 692?

Answer: HCF of 621, 173, 692 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 621, 173, 692 using Euclid's Algorithm?

Answer: For arbitrary numbers 621, 173, 692 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.