Highest Common Factor of 648, 904 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 648, 904 i.e. 8 the largest integer that leaves a remainder zero for all numbers.

HCF of 648, 904 is 8 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 648, 904 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 648, 904 is 8.

HCF(648, 904) = 8

HCF of 648, 904 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 648, 904 is 8.

Highest Common Factor of 648,904 using Euclid's algorithm

Highest Common Factor of 648,904 is 8

Step 1: Since 904 > 648, we apply the division lemma to 904 and 648, to get

904 = 648 x 1 + 256

Step 2: Since the reminder 648 ≠ 0, we apply division lemma to 256 and 648, to get

648 = 256 x 2 + 136

Step 3: We consider the new divisor 256 and the new remainder 136, and apply the division lemma to get

256 = 136 x 1 + 120

We consider the new divisor 136 and the new remainder 120,and apply the division lemma to get

136 = 120 x 1 + 16

We consider the new divisor 120 and the new remainder 16,and apply the division lemma to get

120 = 16 x 7 + 8

We consider the new divisor 16 and the new remainder 8,and apply the division lemma to get

16 = 8 x 2 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 8, the HCF of 648 and 904 is 8

Notice that 8 = HCF(16,8) = HCF(120,16) = HCF(136,120) = HCF(256,136) = HCF(648,256) = HCF(904,648) .

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Frequently Asked Questions on HCF of 648, 904 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 648, 904?

Answer: HCF of 648, 904 is 8 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 648, 904 using Euclid's Algorithm?

Answer: For arbitrary numbers 648, 904 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.