Highest Common Factor of 628, 498, 855 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 628, 498, 855 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 628, 498, 855 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 628, 498, 855 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 628, 498, 855 is 1.

HCF(628, 498, 855) = 1

HCF of 628, 498, 855 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 628, 498, 855 is 1.

Highest Common Factor of 628,498,855 using Euclid's algorithm

Highest Common Factor of 628,498,855 is 1

Step 1: Since 628 > 498, we apply the division lemma to 628 and 498, to get

628 = 498 x 1 + 130

Step 2: Since the reminder 498 ≠ 0, we apply division lemma to 130 and 498, to get

498 = 130 x 3 + 108

Step 3: We consider the new divisor 130 and the new remainder 108, and apply the division lemma to get

130 = 108 x 1 + 22

We consider the new divisor 108 and the new remainder 22,and apply the division lemma to get

108 = 22 x 4 + 20

We consider the new divisor 22 and the new remainder 20,and apply the division lemma to get

22 = 20 x 1 + 2

We consider the new divisor 20 and the new remainder 2,and apply the division lemma to get

20 = 2 x 10 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 2, the HCF of 628 and 498 is 2

Notice that 2 = HCF(20,2) = HCF(22,20) = HCF(108,22) = HCF(130,108) = HCF(498,130) = HCF(628,498) .

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

Step 1: Since 855 > 2, we apply the division lemma to 855 and 2, to get

855 = 2 x 427 + 1

Step 2: Since the reminder 2 ≠ 0, we apply division lemma to 1 and 2, 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 2 and 855 is 1

Notice that 1 = HCF(2,1) = HCF(855,2) .

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Frequently Asked Questions on HCF of 628, 498, 855 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 628, 498, 855?

Answer: HCF of 628, 498, 855 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 628, 498, 855 using Euclid's Algorithm?

Answer: For arbitrary numbers 628, 498, 855 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.