Highest Common Factor of 256, 368, 637 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 256, 368, 637 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 256, 368, 637 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 256, 368, 637 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 256, 368, 637 is 1.

HCF(256, 368, 637) = 1

HCF of 256, 368, 637 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 256, 368, 637 is 1.

Highest Common Factor of 256,368,637 using Euclid's algorithm

Highest Common Factor of 256,368,637 is 1

Step 1: Since 368 > 256, we apply the division lemma to 368 and 256, to get

368 = 256 x 1 + 112

Step 2: Since the reminder 256 ≠ 0, we apply division lemma to 112 and 256, to get

256 = 112 x 2 + 32

Step 3: We consider the new divisor 112 and the new remainder 32, and apply the division lemma to get

112 = 32 x 3 + 16

We consider the new divisor 32 and the new remainder 16, and apply the division lemma to get

32 = 16 x 2 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 16, the HCF of 256 and 368 is 16

Notice that 16 = HCF(32,16) = HCF(112,32) = HCF(256,112) = HCF(368,256) .


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

Step 1: Since 637 > 16, we apply the division lemma to 637 and 16, to get

637 = 16 x 39 + 13

Step 2: Since the reminder 16 ≠ 0, we apply division lemma to 13 and 16, to get

16 = 13 x 1 + 3

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

13 = 3 x 4 + 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 16 and 637 is 1

Notice that 1 = HCF(3,1) = HCF(13,3) = HCF(16,13) = HCF(637,16) .

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Frequently Asked Questions on HCF of 256, 368, 637 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 256, 368, 637?

Answer: HCF of 256, 368, 637 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 256, 368, 637 using Euclid's Algorithm?

Answer: For arbitrary numbers 256, 368, 637 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.