Highest Common Factor of 418, 715 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 418, 715 i.e. 11 the largest integer that leaves a remainder zero for all numbers.

HCF of 418, 715 is 11 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 418, 715 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 418, 715 is 11.

HCF(418, 715) = 11

HCF of 418, 715 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 418, 715 is 11.

Highest Common Factor of 418,715 using Euclid's algorithm

Highest Common Factor of 418,715 is 11

Step 1: Since 715 > 418, we apply the division lemma to 715 and 418, to get

715 = 418 x 1 + 297

Step 2: Since the reminder 418 ≠ 0, we apply division lemma to 297 and 418, to get

418 = 297 x 1 + 121

Step 3: We consider the new divisor 297 and the new remainder 121, and apply the division lemma to get

297 = 121 x 2 + 55

We consider the new divisor 121 and the new remainder 55,and apply the division lemma to get

121 = 55 x 2 + 11

We consider the new divisor 55 and the new remainder 11,and apply the division lemma to get

55 = 11 x 5 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 11, the HCF of 418 and 715 is 11

Notice that 11 = HCF(55,11) = HCF(121,55) = HCF(297,121) = HCF(418,297) = HCF(715,418) .

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Frequently Asked Questions on HCF of 418, 715 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 418, 715?

Answer: HCF of 418, 715 is 11 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 418, 715 using Euclid's Algorithm?

Answer: For arbitrary numbers 418, 715 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.