Highest Common Factor of 189, 617, 515 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 189, 617, 515 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 189, 617, 515 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 189, 617, 515 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 189, 617, 515 is 1.

HCF(189, 617, 515) = 1

HCF of 189, 617, 515 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 189, 617, 515 is 1.

Highest Common Factor of 189,617,515 using Euclid's algorithm

Highest Common Factor of 189,617,515 is 1

Step 1: Since 617 > 189, we apply the division lemma to 617 and 189, to get

617 = 189 x 3 + 50

Step 2: Since the reminder 189 ≠ 0, we apply division lemma to 50 and 189, to get

189 = 50 x 3 + 39

Step 3: We consider the new divisor 50 and the new remainder 39, and apply the division lemma to get

50 = 39 x 1 + 11

We consider the new divisor 39 and the new remainder 11,and apply the division lemma to get

39 = 11 x 3 + 6

We consider the new divisor 11 and the new remainder 6,and apply the division lemma to get

11 = 6 x 1 + 5

We consider the new divisor 6 and the new remainder 5,and apply the division lemma to get

6 = 5 x 1 + 1

We consider the new divisor 5 and the new remainder 1,and apply the division lemma to get

5 = 1 x 5 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 189 and 617 is 1

Notice that 1 = HCF(5,1) = HCF(6,5) = HCF(11,6) = HCF(39,11) = HCF(50,39) = HCF(189,50) = HCF(617,189) .

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

Step 1: Since 515 > 1, we apply the division lemma to 515 and 1, to get

515 = 1 x 515 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 515 is 1

Notice that 1 = HCF(515,1) .

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Frequently Asked Questions on HCF of 189, 617, 515 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 189, 617, 515?

Answer: HCF of 189, 617, 515 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 189, 617, 515 using Euclid's Algorithm?

Answer: For arbitrary numbers 189, 617, 515 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.