Highest Common Factor of 638, 785, 533 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 638, 785, 533 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 638, 785, 533 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 638, 785, 533 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 638, 785, 533 is 1.

HCF(638, 785, 533) = 1

HCF of 638, 785, 533 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 638, 785, 533 is 1.

Highest Common Factor of 638,785,533 using Euclid's algorithm

Highest Common Factor of 638,785,533 is 1

Step 1: Since 785 > 638, we apply the division lemma to 785 and 638, to get

785 = 638 x 1 + 147

Step 2: Since the reminder 638 ≠ 0, we apply division lemma to 147 and 638, to get

638 = 147 x 4 + 50

Step 3: We consider the new divisor 147 and the new remainder 50, and apply the division lemma to get

147 = 50 x 2 + 47

We consider the new divisor 50 and the new remainder 47,and apply the division lemma to get

50 = 47 x 1 + 3

We consider the new divisor 47 and the new remainder 3,and apply the division lemma to get

47 = 3 x 15 + 2

We consider the new divisor 3 and the new remainder 2,and apply the division lemma to get

3 = 2 x 1 + 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 638 and 785 is 1

Notice that 1 = HCF(2,1) = HCF(3,2) = HCF(47,3) = HCF(50,47) = HCF(147,50) = HCF(638,147) = HCF(785,638) .

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

Step 1: Since 533 > 1, we apply the division lemma to 533 and 1, to get

533 = 1 x 533 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 533 is 1

Notice that 1 = HCF(533,1) .

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Frequently Asked Questions on HCF of 638, 785, 533 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 638, 785, 533?

Answer: HCF of 638, 785, 533 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 638, 785, 533 using Euclid's Algorithm?

Answer: For arbitrary numbers 638, 785, 533 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.