Highest Common Factor of 865, 454 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 865, 454 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 865, 454 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 865, 454 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 865, 454 is 1.

HCF(865, 454) = 1

HCF of 865, 454 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 865, 454 is 1.

Highest Common Factor of 865,454 using Euclid's algorithm

Highest Common Factor of 865,454 is 1

Step 1: Since 865 > 454, we apply the division lemma to 865 and 454, to get

865 = 454 x 1 + 411

Step 2: Since the reminder 454 ≠ 0, we apply division lemma to 411 and 454, to get

454 = 411 x 1 + 43

Step 3: We consider the new divisor 411 and the new remainder 43, and apply the division lemma to get

411 = 43 x 9 + 24

We consider the new divisor 43 and the new remainder 24,and apply the division lemma to get

43 = 24 x 1 + 19

We consider the new divisor 24 and the new remainder 19,and apply the division lemma to get

24 = 19 x 1 + 5

We consider the new divisor 19 and the new remainder 5,and apply the division lemma to get

19 = 5 x 3 + 4

We consider the new divisor 5 and the new remainder 4,and apply the division lemma to get

5 = 4 x 1 + 1

We consider the new divisor 4 and the new remainder 1,and apply the division lemma to get

4 = 1 x 4 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 865 and 454 is 1

Notice that 1 = HCF(4,1) = HCF(5,4) = HCF(19,5) = HCF(24,19) = HCF(43,24) = HCF(411,43) = HCF(454,411) = HCF(865,454) .

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Frequently Asked Questions on HCF of 865, 454 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 865, 454?

Answer: HCF of 865, 454 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 865, 454 using Euclid's Algorithm?

Answer: For arbitrary numbers 865, 454 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.