Highest Common Factor of 870, 620 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 870, 620 i.e. 10 the largest integer that leaves a remainder zero for all numbers.

HCF of 870, 620 is 10 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 870, 620 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 870, 620 is 10.

HCF(870, 620) = 10

HCF of 870, 620 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 870, 620 is 10.

Highest Common Factor of 870,620 using Euclid's algorithm

Highest Common Factor of 870,620 is 10

Step 1: Since 870 > 620, we apply the division lemma to 870 and 620, to get

870 = 620 x 1 + 250

Step 2: Since the reminder 620 ≠ 0, we apply division lemma to 250 and 620, to get

620 = 250 x 2 + 120

Step 3: We consider the new divisor 250 and the new remainder 120, and apply the division lemma to get

250 = 120 x 2 + 10

We consider the new divisor 120 and the new remainder 10, and apply the division lemma to get

120 = 10 x 12 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 10, the HCF of 870 and 620 is 10

Notice that 10 = HCF(120,10) = HCF(250,120) = HCF(620,250) = HCF(870,620) .

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Frequently Asked Questions on HCF of 870, 620 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 870, 620?

Answer: HCF of 870, 620 is 10 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 870, 620 using Euclid's Algorithm?

Answer: For arbitrary numbers 870, 620 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.