Highest Common Factor of 487, 904, 805 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 487, 904, 805 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 487, 904, 805 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 487, 904, 805 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 487, 904, 805 is 1.

HCF(487, 904, 805) = 1

HCF of 487, 904, 805 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 487, 904, 805 is 1.

Highest Common Factor of 487,904,805 using Euclid's algorithm

Highest Common Factor of 487,904,805 is 1

Step 1: Since 904 > 487, we apply the division lemma to 904 and 487, to get

904 = 487 x 1 + 417

Step 2: Since the reminder 487 ≠ 0, we apply division lemma to 417 and 487, to get

487 = 417 x 1 + 70

Step 3: We consider the new divisor 417 and the new remainder 70, and apply the division lemma to get

417 = 70 x 5 + 67

We consider the new divisor 70 and the new remainder 67,and apply the division lemma to get

70 = 67 x 1 + 3

We consider the new divisor 67 and the new remainder 3,and apply the division lemma to get

67 = 3 x 22 + 1

We consider the new divisor 3 and the new remainder 1,and apply the division lemma to get

3 = 1 x 3 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 487 and 904 is 1

Notice that 1 = HCF(3,1) = HCF(67,3) = HCF(70,67) = HCF(417,70) = HCF(487,417) = HCF(904,487) .

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

Step 1: Since 805 > 1, we apply the division lemma to 805 and 1, to get

805 = 1 x 805 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 805 is 1

Notice that 1 = HCF(805,1) .

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Frequently Asked Questions on HCF of 487, 904, 805 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 487, 904, 805?

Answer: HCF of 487, 904, 805 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 487, 904, 805 using Euclid's Algorithm?

Answer: For arbitrary numbers 487, 904, 805 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.