Highest Common Factor of 820, 988, 438, 281 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 820, 988, 438, 281 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 820, 988, 438, 281 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 820, 988, 438, 281 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 820, 988, 438, 281 is 1.

HCF(820, 988, 438, 281) = 1

HCF of 820, 988, 438, 281 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 820, 988, 438, 281 is 1.

Highest Common Factor of 820,988,438,281 using Euclid's algorithm

Highest Common Factor of 820,988,438,281 is 1

Step 1: Since 988 > 820, we apply the division lemma to 988 and 820, to get

988 = 820 x 1 + 168

Step 2: Since the reminder 820 ≠ 0, we apply division lemma to 168 and 820, to get

820 = 168 x 4 + 148

Step 3: We consider the new divisor 168 and the new remainder 148, and apply the division lemma to get

168 = 148 x 1 + 20

We consider the new divisor 148 and the new remainder 20,and apply the division lemma to get

148 = 20 x 7 + 8

We consider the new divisor 20 and the new remainder 8,and apply the division lemma to get

20 = 8 x 2 + 4

We consider the new divisor 8 and the new remainder 4,and apply the division lemma to get

8 = 4 x 2 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 4, the HCF of 820 and 988 is 4

Notice that 4 = HCF(8,4) = HCF(20,8) = HCF(148,20) = HCF(168,148) = HCF(820,168) = HCF(988,820) .

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

Step 1: Since 438 > 4, we apply the division lemma to 438 and 4, to get

438 = 4 x 109 + 2

Step 2: Since the reminder 4 ≠ 0, we apply division lemma to 2 and 4, to get

4 = 2 x 2 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 2, the HCF of 4 and 438 is 2

Notice that 2 = HCF(4,2) = HCF(438,4) .

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

Step 1: Since 281 > 2, we apply the division lemma to 281 and 2, to get

281 = 2 x 140 + 1

Step 2: Since the reminder 2 ≠ 0, we apply division lemma to 1 and 2, 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 2 and 281 is 1

Notice that 1 = HCF(2,1) = HCF(281,2) .

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Frequently Asked Questions on HCF of 820, 988, 438, 281 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 820, 988, 438, 281?

Answer: HCF of 820, 988, 438, 281 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 820, 988, 438, 281 using Euclid's Algorithm?

Answer: For arbitrary numbers 820, 988, 438, 281 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.