Highest Common Factor of 437, 120 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 437, 120 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 437, 120 is 1 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 437, 120 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 437, 120 is 1.

HCF(437, 120) = 1

HCF of 437, 120 using Euclid's algorithm

Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.

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Highest common factor (HCF) of 437, 120 is 1.

Highest Common Factor of 437,120 using Euclid's algorithm

Highest Common Factor of 437,120 is 1

Step 1: Since 437 > 120, we apply the division lemma to 437 and 120, to get

437 = 120 x 3 + 77

Step 2: Since the reminder 120 ≠ 0, we apply division lemma to 77 and 120, to get

120 = 77 x 1 + 43

Step 3: We consider the new divisor 77 and the new remainder 43, and apply the division lemma to get

77 = 43 x 1 + 34

We consider the new divisor 43 and the new remainder 34,and apply the division lemma to get

43 = 34 x 1 + 9

We consider the new divisor 34 and the new remainder 9,and apply the division lemma to get

34 = 9 x 3 + 7

We consider the new divisor 9 and the new remainder 7,and apply the division lemma to get

9 = 7 x 1 + 2

We consider the new divisor 7 and the new remainder 2,and apply the division lemma to get

7 = 2 x 3 + 1

We consider the new divisor 2 and the new remainder 1,and apply the division lemma to get

2 = 1 x 2 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 437 and 120 is 1

Notice that 1 = HCF(2,1) = HCF(7,2) = HCF(9,7) = HCF(34,9) = HCF(43,34) = HCF(77,43) = HCF(120,77) = HCF(437,120) .

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Frequently Asked Questions on HCF of 437, 120 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 437, 120?

Answer: HCF of 437, 120 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 437, 120 using Euclid's Algorithm?

Answer: For arbitrary numbers 437, 120 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.