Highest Common Factor of 640, 864 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 640, 864 i.e. 32 the largest integer that leaves a remainder zero for all numbers.

HCF of 640, 864 is 32 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 640, 864 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 640, 864 is 32.

HCF(640, 864) = 32

HCF of 640, 864 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 640, 864 is 32.

Highest Common Factor of 640,864 using Euclid's algorithm

Highest Common Factor of 640,864 is 32

Step 1: Since 864 > 640, we apply the division lemma to 864 and 640, to get

864 = 640 x 1 + 224

Step 2: Since the reminder 640 ≠ 0, we apply division lemma to 224 and 640, to get

640 = 224 x 2 + 192

Step 3: We consider the new divisor 224 and the new remainder 192, and apply the division lemma to get

224 = 192 x 1 + 32

We consider the new divisor 192 and the new remainder 32, and apply the division lemma to get

192 = 32 x 6 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 32, the HCF of 640 and 864 is 32

Notice that 32 = HCF(192,32) = HCF(224,192) = HCF(640,224) = HCF(864,640) .

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Frequently Asked Questions on HCF of 640, 864 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 640, 864?

Answer: HCF of 640, 864 is 32 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 640, 864 using Euclid's Algorithm?

Answer: For arbitrary numbers 640, 864 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.