Highest Common Factor of 247, 320, 210 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 247, 320, 210 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 247, 320, 210 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 247, 320, 210 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 247, 320, 210 is 1.

HCF(247, 320, 210) = 1

HCF of 247, 320, 210 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 247, 320, 210 is 1.

Highest Common Factor of 247,320,210 using Euclid's algorithm

Highest Common Factor of 247,320,210 is 1

Step 1: Since 320 > 247, we apply the division lemma to 320 and 247, to get

320 = 247 x 1 + 73

Step 2: Since the reminder 247 ≠ 0, we apply division lemma to 73 and 247, to get

247 = 73 x 3 + 28

Step 3: We consider the new divisor 73 and the new remainder 28, and apply the division lemma to get

73 = 28 x 2 + 17

We consider the new divisor 28 and the new remainder 17,and apply the division lemma to get

28 = 17 x 1 + 11

We consider the new divisor 17 and the new remainder 11,and apply the division lemma to get

17 = 11 x 1 + 6

We consider the new divisor 11 and the new remainder 6,and apply the division lemma to get

11 = 6 x 1 + 5

We consider the new divisor 6 and the new remainder 5,and apply the division lemma to get

6 = 5 x 1 + 1

We consider the new divisor 5 and the new remainder 1,and apply the division lemma to get

5 = 1 x 5 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 247 and 320 is 1

Notice that 1 = HCF(5,1) = HCF(6,5) = HCF(11,6) = HCF(17,11) = HCF(28,17) = HCF(73,28) = HCF(247,73) = HCF(320,247) .

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

Step 1: Since 210 > 1, we apply the division lemma to 210 and 1, to get

210 = 1 x 210 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 210 is 1

Notice that 1 = HCF(210,1) .

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Frequently Asked Questions on HCF of 247, 320, 210 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 247, 320, 210?

Answer: HCF of 247, 320, 210 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 247, 320, 210 using Euclid's Algorithm?

Answer: For arbitrary numbers 247, 320, 210 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.