Highest Common Factor of 450, 200, 644 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 450, 200, 644 i.e. 2 the largest integer that leaves a remainder zero for all numbers.

HCF of 450, 200, 644 is 2 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 450, 200, 644 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 450, 200, 644 is 2.

HCF(450, 200, 644) = 2

HCF of 450, 200, 644 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 450, 200, 644 is 2.

Highest Common Factor of 450,200,644 using Euclid's algorithm

Highest Common Factor of 450,200,644 is 2

Step 1: Since 450 > 200, we apply the division lemma to 450 and 200, to get

450 = 200 x 2 + 50

Step 2: Since the reminder 200 ≠ 0, we apply division lemma to 50 and 200, to get

200 = 50 x 4 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 50, the HCF of 450 and 200 is 50

Notice that 50 = HCF(200,50) = HCF(450,200) .


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

Step 1: Since 644 > 50, we apply the division lemma to 644 and 50, to get

644 = 50 x 12 + 44

Step 2: Since the reminder 50 ≠ 0, we apply division lemma to 44 and 50, to get

50 = 44 x 1 + 6

Step 3: We consider the new divisor 44 and the new remainder 6, and apply the division lemma to get

44 = 6 x 7 + 2

We consider the new divisor 6 and the new remainder 2, and apply the division lemma to get

6 = 2 x 3 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 2, the HCF of 50 and 644 is 2

Notice that 2 = HCF(6,2) = HCF(44,6) = HCF(50,44) = HCF(644,50) .

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Frequently Asked Questions on HCF of 450, 200, 644 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 450, 200, 644?

Answer: HCF of 450, 200, 644 is 2 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 450, 200, 644 using Euclid's Algorithm?

Answer: For arbitrary numbers 450, 200, 644 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.