Highest Common Factor of 515, 4005 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 515, 4005 i.e. 5 the largest integer that leaves a remainder zero for all numbers.

HCF of 515, 4005 is 5 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 515, 4005 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 515, 4005 is 5.

HCF(515, 4005) = 5

HCF of 515, 4005 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 515, 4005 is 5.

Highest Common Factor of 515,4005 using Euclid's algorithm

Highest Common Factor of 515,4005 is 5

Step 1: Since 4005 > 515, we apply the division lemma to 4005 and 515, to get

4005 = 515 x 7 + 400

Step 2: Since the reminder 515 ≠ 0, we apply division lemma to 400 and 515, to get

515 = 400 x 1 + 115

Step 3: We consider the new divisor 400 and the new remainder 115, and apply the division lemma to get

400 = 115 x 3 + 55

We consider the new divisor 115 and the new remainder 55,and apply the division lemma to get

115 = 55 x 2 + 5

We consider the new divisor 55 and the new remainder 5,and apply the division lemma to get

55 = 5 x 11 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 5, the HCF of 515 and 4005 is 5

Notice that 5 = HCF(55,5) = HCF(115,55) = HCF(400,115) = HCF(515,400) = HCF(4005,515) .

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Frequently Asked Questions on HCF of 515, 4005 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 515, 4005?

Answer: HCF of 515, 4005 is 5 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 515, 4005 using Euclid's Algorithm?

Answer: For arbitrary numbers 515, 4005 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.