Highest Common Factor of 311, 438, 489 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 311, 438, 489 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 311, 438, 489 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 311, 438, 489 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 311, 438, 489 is 1.

HCF(311, 438, 489) = 1

HCF of 311, 438, 489 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 311, 438, 489 is 1.

Highest Common Factor of 311,438,489 using Euclid's algorithm

Highest Common Factor of 311,438,489 is 1

Step 1: Since 438 > 311, we apply the division lemma to 438 and 311, to get

438 = 311 x 1 + 127

Step 2: Since the reminder 311 ≠ 0, we apply division lemma to 127 and 311, to get

311 = 127 x 2 + 57

Step 3: We consider the new divisor 127 and the new remainder 57, and apply the division lemma to get

127 = 57 x 2 + 13

We consider the new divisor 57 and the new remainder 13,and apply the division lemma to get

57 = 13 x 4 + 5

We consider the new divisor 13 and the new remainder 5,and apply the division lemma to get

13 = 5 x 2 + 3

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

5 = 3 x 1 + 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 311 and 438 is 1

Notice that 1 = HCF(2,1) = HCF(3,2) = HCF(5,3) = HCF(13,5) = HCF(57,13) = HCF(127,57) = HCF(311,127) = HCF(438,311) .

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

Step 1: Since 489 > 1, we apply the division lemma to 489 and 1, to get

489 = 1 x 489 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 489 is 1

Notice that 1 = HCF(489,1) .

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Frequently Asked Questions on HCF of 311, 438, 489 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 311, 438, 489?

Answer: HCF of 311, 438, 489 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 311, 438, 489 using Euclid's Algorithm?

Answer: For arbitrary numbers 311, 438, 489 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.