Highest Common Factor of 721, 450, 93 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 721, 450, 93 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 721, 450, 93 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 721, 450, 93 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 721, 450, 93 is 1.

HCF(721, 450, 93) = 1

HCF of 721, 450, 93 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 721, 450, 93 is 1.

Highest Common Factor of 721,450,93 using Euclid's algorithm

Highest Common Factor of 721,450,93 is 1

Step 1: Since 721 > 450, we apply the division lemma to 721 and 450, to get

721 = 450 x 1 + 271

Step 2: Since the reminder 450 ≠ 0, we apply division lemma to 271 and 450, to get

450 = 271 x 1 + 179

Step 3: We consider the new divisor 271 and the new remainder 179, and apply the division lemma to get

271 = 179 x 1 + 92

We consider the new divisor 179 and the new remainder 92,and apply the division lemma to get

179 = 92 x 1 + 87

We consider the new divisor 92 and the new remainder 87,and apply the division lemma to get

92 = 87 x 1 + 5

We consider the new divisor 87 and the new remainder 5,and apply the division lemma to get

87 = 5 x 17 + 2

We consider the new divisor 5 and the new remainder 2,and apply the division lemma to get

5 = 2 x 2 + 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 721 and 450 is 1

Notice that 1 = HCF(2,1) = HCF(5,2) = HCF(87,5) = HCF(92,87) = HCF(179,92) = HCF(271,179) = HCF(450,271) = HCF(721,450) .


We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma

Step 1: Since 93 > 1, we apply the division lemma to 93 and 1, to get

93 = 1 x 93 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 93 is 1

Notice that 1 = HCF(93,1) .

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Frequently Asked Questions on HCF of 721, 450, 93 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 721, 450, 93?

Answer: HCF of 721, 450, 93 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 721, 450, 93 using Euclid's Algorithm?

Answer: For arbitrary numbers 721, 450, 93 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.