Highest Common Factor of 628, 386, 835 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, 386, 835 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 628, 386, 835 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, 386, 835 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, 386, 835 is 1.

HCF(628, 386, 835) = 1

HCF of 628, 386, 835 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, 386, 835 is 1.

Highest Common Factor of 628,386,835 using Euclid's algorithm

Highest Common Factor of 628,386,835 is 1

Step 1: Since 628 > 386, we apply the division lemma to 628 and 386, to get

628 = 386 x 1 + 242

Step 2: Since the reminder 386 ≠ 0, we apply division lemma to 242 and 386, to get

386 = 242 x 1 + 144

Step 3: We consider the new divisor 242 and the new remainder 144, and apply the division lemma to get

242 = 144 x 1 + 98

We consider the new divisor 144 and the new remainder 98,and apply the division lemma to get

144 = 98 x 1 + 46

We consider the new divisor 98 and the new remainder 46,and apply the division lemma to get

98 = 46 x 2 + 6

We consider the new divisor 46 and the new remainder 6,and apply the division lemma to get

46 = 6 x 7 + 4

We consider the new divisor 6 and the new remainder 4,and apply the division lemma to get

6 = 4 x 1 + 2

We consider the new divisor 4 and the new remainder 2,and apply the division lemma to get

4 = 2 x 2 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 2, the HCF of 628 and 386 is 2

Notice that 2 = HCF(4,2) = HCF(6,4) = HCF(46,6) = HCF(98,46) = HCF(144,98) = HCF(242,144) = HCF(386,242) = HCF(628,386) .

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

Step 1: Since 835 > 2, we apply the division lemma to 835 and 2, to get

835 = 2 x 417 + 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 835 is 1

Notice that 1 = HCF(2,1) = HCF(835,2) .

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Frequently Asked Questions on HCF of 628, 386, 835 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, 386, 835?

Answer: HCF of 628, 386, 835 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 628, 386, 835 using Euclid's Algorithm?

Answer: For arbitrary numbers 628, 386, 835 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.