Highest Common Factor of 187, 635, 19 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 187, 635, 19 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 187, 635, 19 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 187, 635, 19 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 187, 635, 19 is 1.

HCF(187, 635, 19) = 1

HCF of 187, 635, 19 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 187, 635, 19 is 1.

Highest Common Factor of 187,635,19 using Euclid's algorithm

Highest Common Factor of 187,635,19 is 1

Step 1: Since 635 > 187, we apply the division lemma to 635 and 187, to get

635 = 187 x 3 + 74

Step 2: Since the reminder 187 ≠ 0, we apply division lemma to 74 and 187, to get

187 = 74 x 2 + 39

Step 3: We consider the new divisor 74 and the new remainder 39, and apply the division lemma to get

74 = 39 x 1 + 35

We consider the new divisor 39 and the new remainder 35,and apply the division lemma to get

39 = 35 x 1 + 4

We consider the new divisor 35 and the new remainder 4,and apply the division lemma to get

35 = 4 x 8 + 3

We consider the new divisor 4 and the new remainder 3,and apply the division lemma to get

4 = 3 x 1 + 1

We consider the new divisor 3 and the new remainder 1,and apply the division lemma to get

3 = 1 x 3 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 187 and 635 is 1

Notice that 1 = HCF(3,1) = HCF(4,3) = HCF(35,4) = HCF(39,35) = HCF(74,39) = HCF(187,74) = HCF(635,187) .

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

Step 1: Since 19 > 1, we apply the division lemma to 19 and 1, to get

19 = 1 x 19 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 19 is 1

Notice that 1 = HCF(19,1) .

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Frequently Asked Questions on HCF of 187, 635, 19 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 187, 635, 19?

Answer: HCF of 187, 635, 19 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 187, 635, 19 using Euclid's Algorithm?

Answer: For arbitrary numbers 187, 635, 19 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.