Highest Common Factor of 63, 84, 17, 868 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 63, 84, 17, 868 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 63, 84, 17, 868 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 63, 84, 17, 868 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 63, 84, 17, 868 is 1.

HCF(63, 84, 17, 868) = 1

HCF of 63, 84, 17, 868 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 63, 84, 17, 868 is 1.

Highest Common Factor of 63,84,17,868 using Euclid's algorithm

Highest Common Factor of 63,84,17,868 is 1

Step 1: Since 84 > 63, we apply the division lemma to 84 and 63, to get

84 = 63 x 1 + 21

Step 2: Since the reminder 63 ≠ 0, we apply division lemma to 21 and 63, to get

63 = 21 x 3 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 21, the HCF of 63 and 84 is 21

Notice that 21 = HCF(63,21) = HCF(84,63) .


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

Step 1: Since 21 > 17, we apply the division lemma to 21 and 17, to get

21 = 17 x 1 + 4

Step 2: Since the reminder 17 ≠ 0, we apply division lemma to 4 and 17, to get

17 = 4 x 4 + 1

Step 3: 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 21 and 17 is 1

Notice that 1 = HCF(4,1) = HCF(17,4) = HCF(21,17) .


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

Step 1: Since 868 > 1, we apply the division lemma to 868 and 1, to get

868 = 1 x 868 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 868 is 1

Notice that 1 = HCF(868,1) .

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Frequently Asked Questions on HCF of 63, 84, 17, 868 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 63, 84, 17, 868?

Answer: HCF of 63, 84, 17, 868 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 63, 84, 17, 868 using Euclid's Algorithm?

Answer: For arbitrary numbers 63, 84, 17, 868 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.