Highest Common Factor of 455, 866, 765 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 455, 866, 765 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 455, 866, 765 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 455, 866, 765 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 455, 866, 765 is 1.

HCF(455, 866, 765) = 1

HCF of 455, 866, 765 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 455, 866, 765 is 1.

Highest Common Factor of 455,866,765 using Euclid's algorithm

Highest Common Factor of 455,866,765 is 1

Step 1: Since 866 > 455, we apply the division lemma to 866 and 455, to get

866 = 455 x 1 + 411

Step 2: Since the reminder 455 ≠ 0, we apply division lemma to 411 and 455, to get

455 = 411 x 1 + 44

Step 3: We consider the new divisor 411 and the new remainder 44, and apply the division lemma to get

411 = 44 x 9 + 15

We consider the new divisor 44 and the new remainder 15,and apply the division lemma to get

44 = 15 x 2 + 14

We consider the new divisor 15 and the new remainder 14,and apply the division lemma to get

15 = 14 x 1 + 1

We consider the new divisor 14 and the new remainder 1,and apply the division lemma to get

14 = 1 x 14 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 455 and 866 is 1

Notice that 1 = HCF(14,1) = HCF(15,14) = HCF(44,15) = HCF(411,44) = HCF(455,411) = HCF(866,455) .


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

Step 1: Since 765 > 1, we apply the division lemma to 765 and 1, to get

765 = 1 x 765 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 765 is 1

Notice that 1 = HCF(765,1) .

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Frequently Asked Questions on HCF of 455, 866, 765 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 455, 866, 765?

Answer: HCF of 455, 866, 765 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 455, 866, 765 using Euclid's Algorithm?

Answer: For arbitrary numbers 455, 866, 765 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.