Highest Common Factor of 601, 821, 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 601, 821, 644 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 601, 821, 644 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 601, 821, 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 601, 821, 644 is 1.

HCF(601, 821, 644) = 1

HCF of 601, 821, 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 601, 821, 644 is 1.

Highest Common Factor of 601,821,644 using Euclid's algorithm

Highest Common Factor of 601,821,644 is 1

Step 1: Since 821 > 601, we apply the division lemma to 821 and 601, to get

821 = 601 x 1 + 220

Step 2: Since the reminder 601 ≠ 0, we apply division lemma to 220 and 601, to get

601 = 220 x 2 + 161

Step 3: We consider the new divisor 220 and the new remainder 161, and apply the division lemma to get

220 = 161 x 1 + 59

We consider the new divisor 161 and the new remainder 59,and apply the division lemma to get

161 = 59 x 2 + 43

We consider the new divisor 59 and the new remainder 43,and apply the division lemma to get

59 = 43 x 1 + 16

We consider the new divisor 43 and the new remainder 16,and apply the division lemma to get

43 = 16 x 2 + 11

We consider the new divisor 16 and the new remainder 11,and apply the division lemma to get

16 = 11 x 1 + 5

We consider the new divisor 11 and the new remainder 5,and apply the division lemma to get

11 = 5 x 2 + 1

We consider the new divisor 5 and the new remainder 1,and apply the division lemma to get

5 = 1 x 5 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 601 and 821 is 1

Notice that 1 = HCF(5,1) = HCF(11,5) = HCF(16,11) = HCF(43,16) = HCF(59,43) = HCF(161,59) = HCF(220,161) = HCF(601,220) = HCF(821,601) .

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

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

644 = 1 x 644 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 644 is 1

Notice that 1 = HCF(644,1) .

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Frequently Asked Questions on HCF of 601, 821, 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 601, 821, 644?

Answer: HCF of 601, 821, 644 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 601, 821, 644 using Euclid's Algorithm?

Answer: For arbitrary numbers 601, 821, 644 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.