Highest Common Factor of 451, 809, 705 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 451, 809, 705 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 451, 809, 705 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 451, 809, 705 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 451, 809, 705 is 1.

HCF(451, 809, 705) = 1

HCF of 451, 809, 705 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 451, 809, 705 is 1.

Highest Common Factor of 451,809,705 using Euclid's algorithm

Highest Common Factor of 451,809,705 is 1

Step 1: Since 809 > 451, we apply the division lemma to 809 and 451, to get

809 = 451 x 1 + 358

Step 2: Since the reminder 451 ≠ 0, we apply division lemma to 358 and 451, to get

451 = 358 x 1 + 93

Step 3: We consider the new divisor 358 and the new remainder 93, and apply the division lemma to get

358 = 93 x 3 + 79

We consider the new divisor 93 and the new remainder 79,and apply the division lemma to get

93 = 79 x 1 + 14

We consider the new divisor 79 and the new remainder 14,and apply the division lemma to get

79 = 14 x 5 + 9

We consider the new divisor 14 and the new remainder 9,and apply the division lemma to get

14 = 9 x 1 + 5

We consider the new divisor 9 and the new remainder 5,and apply the division lemma to get

9 = 5 x 1 + 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 451 and 809 is 1

Notice that 1 = HCF(4,1) = HCF(5,4) = HCF(9,5) = HCF(14,9) = HCF(79,14) = HCF(93,79) = HCF(358,93) = HCF(451,358) = HCF(809,451) .

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

Step 1: Since 705 > 1, we apply the division lemma to 705 and 1, to get

705 = 1 x 705 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 705 is 1

Notice that 1 = HCF(705,1) .

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Frequently Asked Questions on HCF of 451, 809, 705 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 451, 809, 705?

Answer: HCF of 451, 809, 705 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 451, 809, 705 using Euclid's Algorithm?

Answer: For arbitrary numbers 451, 809, 705 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.