Highest Common Factor of 456, 657, 485 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 456, 657, 485 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 456, 657, 485 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 456, 657, 485 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 456, 657, 485 is 1.

HCF(456, 657, 485) = 1

HCF of 456, 657, 485 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 456, 657, 485 is 1.

Highest Common Factor of 456,657,485 using Euclid's algorithm

Highest Common Factor of 456,657,485 is 1

Step 1: Since 657 > 456, we apply the division lemma to 657 and 456, to get

657 = 456 x 1 + 201

Step 2: Since the reminder 456 ≠ 0, we apply division lemma to 201 and 456, to get

456 = 201 x 2 + 54

Step 3: We consider the new divisor 201 and the new remainder 54, and apply the division lemma to get

201 = 54 x 3 + 39

We consider the new divisor 54 and the new remainder 39,and apply the division lemma to get

54 = 39 x 1 + 15

We consider the new divisor 39 and the new remainder 15,and apply the division lemma to get

39 = 15 x 2 + 9

We consider the new divisor 15 and the new remainder 9,and apply the division lemma to get

15 = 9 x 1 + 6

We consider the new divisor 9 and the new remainder 6,and apply the division lemma to get

9 = 6 x 1 + 3

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

6 = 3 x 2 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 3, the HCF of 456 and 657 is 3

Notice that 3 = HCF(6,3) = HCF(9,6) = HCF(15,9) = HCF(39,15) = HCF(54,39) = HCF(201,54) = HCF(456,201) = HCF(657,456) .

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

Step 1: Since 485 > 3, we apply the division lemma to 485 and 3, to get

485 = 3 x 161 + 2

Step 2: Since the reminder 3 ≠ 0, we apply division lemma to 2 and 3, to get

3 = 2 x 1 + 1

Step 3: 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 3 and 485 is 1

Notice that 1 = HCF(2,1) = HCF(3,2) = HCF(485,3) .

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Frequently Asked Questions on HCF of 456, 657, 485 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 456, 657, 485?

Answer: HCF of 456, 657, 485 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 456, 657, 485 using Euclid's Algorithm?

Answer: For arbitrary numbers 456, 657, 485 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.