Highest Common Factor of 627, 405 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 627, 405 i.e. 3 the largest integer that leaves a remainder zero for all numbers.

HCF of 627, 405 is 3 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 627, 405 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 627, 405 is 3.

HCF(627, 405) = 3

HCF of 627, 405 using Euclid's algorithm

Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.

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Highest common factor (HCF) of 627, 405 is 3.

Highest Common Factor of 627,405 using Euclid's algorithm

Highest Common Factor of 627,405 is 3

Step 1: Since 627 > 405, we apply the division lemma to 627 and 405, to get

627 = 405 x 1 + 222

Step 2: Since the reminder 405 ≠ 0, we apply division lemma to 222 and 405, to get

405 = 222 x 1 + 183

Step 3: We consider the new divisor 222 and the new remainder 183, and apply the division lemma to get

222 = 183 x 1 + 39

We consider the new divisor 183 and the new remainder 39,and apply the division lemma to get

183 = 39 x 4 + 27

We consider the new divisor 39 and the new remainder 27,and apply the division lemma to get

39 = 27 x 1 + 12

We consider the new divisor 27 and the new remainder 12,and apply the division lemma to get

27 = 12 x 2 + 3

We consider the new divisor 12 and the new remainder 3,and apply the division lemma to get

12 = 3 x 4 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 3, the HCF of 627 and 405 is 3

Notice that 3 = HCF(12,3) = HCF(27,12) = HCF(39,27) = HCF(183,39) = HCF(222,183) = HCF(405,222) = HCF(627,405) .

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Frequently Asked Questions on HCF of 627, 405 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 627, 405?

Answer: HCF of 627, 405 is 3 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 627, 405 using Euclid's Algorithm?

Answer: For arbitrary numbers 627, 405 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.