Highest Common Factor of 403, 979, 338 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 403, 979, 338 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 403, 979, 338 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 403, 979, 338 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 403, 979, 338 is 1.

HCF(403, 979, 338) = 1

HCF of 403, 979, 338 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 403, 979, 338 is 1.

Highest Common Factor of 403,979,338 using Euclid's algorithm

Highest Common Factor of 403,979,338 is 1

Step 1: Since 979 > 403, we apply the division lemma to 979 and 403, to get

979 = 403 x 2 + 173

Step 2: Since the reminder 403 ≠ 0, we apply division lemma to 173 and 403, to get

403 = 173 x 2 + 57

Step 3: We consider the new divisor 173 and the new remainder 57, and apply the division lemma to get

173 = 57 x 3 + 2

We consider the new divisor 57 and the new remainder 2,and apply the division lemma to get

57 = 2 x 28 + 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 403 and 979 is 1

Notice that 1 = HCF(2,1) = HCF(57,2) = HCF(173,57) = HCF(403,173) = HCF(979,403) .


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

Step 1: Since 338 > 1, we apply the division lemma to 338 and 1, to get

338 = 1 x 338 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 338 is 1

Notice that 1 = HCF(338,1) .

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Frequently Asked Questions on HCF of 403, 979, 338 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 403, 979, 338?

Answer: HCF of 403, 979, 338 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 403, 979, 338 using Euclid's Algorithm?

Answer: For arbitrary numbers 403, 979, 338 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.