Highest Common Factor of 161, 249, 811 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 161, 249, 811 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 161, 249, 811 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 161, 249, 811 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 161, 249, 811 is 1.

HCF(161, 249, 811) = 1

HCF of 161, 249, 811 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 161, 249, 811 is 1.

Highest Common Factor of 161,249,811 using Euclid's algorithm

Highest Common Factor of 161,249,811 is 1

Step 1: Since 249 > 161, we apply the division lemma to 249 and 161, to get

249 = 161 x 1 + 88

Step 2: Since the reminder 161 ≠ 0, we apply division lemma to 88 and 161, to get

161 = 88 x 1 + 73

Step 3: We consider the new divisor 88 and the new remainder 73, and apply the division lemma to get

88 = 73 x 1 + 15

We consider the new divisor 73 and the new remainder 15,and apply the division lemma to get

73 = 15 x 4 + 13

We consider the new divisor 15 and the new remainder 13,and apply the division lemma to get

15 = 13 x 1 + 2

We consider the new divisor 13 and the new remainder 2,and apply the division lemma to get

13 = 2 x 6 + 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 161 and 249 is 1

Notice that 1 = HCF(2,1) = HCF(13,2) = HCF(15,13) = HCF(73,15) = HCF(88,73) = HCF(161,88) = HCF(249,161) .

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

Step 1: Since 811 > 1, we apply the division lemma to 811 and 1, to get

811 = 1 x 811 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 811 is 1

Notice that 1 = HCF(811,1) .

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Frequently Asked Questions on HCF of 161, 249, 811 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 161, 249, 811?

Answer: HCF of 161, 249, 811 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 161, 249, 811 using Euclid's Algorithm?

Answer: For arbitrary numbers 161, 249, 811 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.