Highest Common Factor of 480, 204, 605 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 480, 204, 605 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 480, 204, 605 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 480, 204, 605 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 480, 204, 605 is 1.

HCF(480, 204, 605) = 1

HCF of 480, 204, 605 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 480, 204, 605 is 1.

Highest Common Factor of 480,204,605 using Euclid's algorithm

Highest Common Factor of 480,204,605 is 1

Step 1: Since 480 > 204, we apply the division lemma to 480 and 204, to get

480 = 204 x 2 + 72

Step 2: Since the reminder 204 ≠ 0, we apply division lemma to 72 and 204, to get

204 = 72 x 2 + 60

Step 3: We consider the new divisor 72 and the new remainder 60, and apply the division lemma to get

72 = 60 x 1 + 12

We consider the new divisor 60 and the new remainder 12, and apply the division lemma to get

60 = 12 x 5 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 12, the HCF of 480 and 204 is 12

Notice that 12 = HCF(60,12) = HCF(72,60) = HCF(204,72) = HCF(480,204) .


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

Step 1: Since 605 > 12, we apply the division lemma to 605 and 12, to get

605 = 12 x 50 + 5

Step 2: Since the reminder 12 ≠ 0, we apply division lemma to 5 and 12, to get

12 = 5 x 2 + 2

Step 3: We consider the new divisor 5 and the new remainder 2, and apply the division lemma to get

5 = 2 x 2 + 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 12 and 605 is 1

Notice that 1 = HCF(2,1) = HCF(5,2) = HCF(12,5) = HCF(605,12) .

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Frequently Asked Questions on HCF of 480, 204, 605 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 480, 204, 605?

Answer: HCF of 480, 204, 605 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 480, 204, 605 using Euclid's Algorithm?

Answer: For arbitrary numbers 480, 204, 605 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.