Highest Common Factor of 278, 451, 635 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 278, 451, 635 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 278, 451, 635 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 278, 451, 635 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 278, 451, 635 is 1.

HCF(278, 451, 635) = 1

HCF of 278, 451, 635 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 278, 451, 635 is 1.

Highest Common Factor of 278,451,635 using Euclid's algorithm

Highest Common Factor of 278,451,635 is 1

Step 1: Since 451 > 278, we apply the division lemma to 451 and 278, to get

451 = 278 x 1 + 173

Step 2: Since the reminder 278 ≠ 0, we apply division lemma to 173 and 278, to get

278 = 173 x 1 + 105

Step 3: We consider the new divisor 173 and the new remainder 105, and apply the division lemma to get

173 = 105 x 1 + 68

We consider the new divisor 105 and the new remainder 68,and apply the division lemma to get

105 = 68 x 1 + 37

We consider the new divisor 68 and the new remainder 37,and apply the division lemma to get

68 = 37 x 1 + 31

We consider the new divisor 37 and the new remainder 31,and apply the division lemma to get

37 = 31 x 1 + 6

We consider the new divisor 31 and the new remainder 6,and apply the division lemma to get

31 = 6 x 5 + 1

We consider the new divisor 6 and the new remainder 1,and apply the division lemma to get

6 = 1 x 6 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 278 and 451 is 1

Notice that 1 = HCF(6,1) = HCF(31,6) = HCF(37,31) = HCF(68,37) = HCF(105,68) = HCF(173,105) = HCF(278,173) = HCF(451,278) .


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

Step 1: Since 635 > 1, we apply the division lemma to 635 and 1, to get

635 = 1 x 635 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 635 is 1

Notice that 1 = HCF(635,1) .

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Frequently Asked Questions on HCF of 278, 451, 635 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 278, 451, 635?

Answer: HCF of 278, 451, 635 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 278, 451, 635 using Euclid's Algorithm?

Answer: For arbitrary numbers 278, 451, 635 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.