Highest Common Factor of 813, 494, 290 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 813, 494, 290 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 813, 494, 290 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 813, 494, 290 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 813, 494, 290 is 1.

HCF(813, 494, 290) = 1

HCF of 813, 494, 290 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 813, 494, 290 is 1.

Highest Common Factor of 813,494,290 using Euclid's algorithm

Highest Common Factor of 813,494,290 is 1

Step 1: Since 813 > 494, we apply the division lemma to 813 and 494, to get

813 = 494 x 1 + 319

Step 2: Since the reminder 494 ≠ 0, we apply division lemma to 319 and 494, to get

494 = 319 x 1 + 175

Step 3: We consider the new divisor 319 and the new remainder 175, and apply the division lemma to get

319 = 175 x 1 + 144

We consider the new divisor 175 and the new remainder 144,and apply the division lemma to get

175 = 144 x 1 + 31

We consider the new divisor 144 and the new remainder 31,and apply the division lemma to get

144 = 31 x 4 + 20

We consider the new divisor 31 and the new remainder 20,and apply the division lemma to get

31 = 20 x 1 + 11

We consider the new divisor 20 and the new remainder 11,and apply the division lemma to get

20 = 11 x 1 + 9

We consider the new divisor 11 and the new remainder 9,and apply the division lemma to get

11 = 9 x 1 + 2

We consider the new divisor 9 and the new remainder 2,and apply the division lemma to get

9 = 2 x 4 + 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 813 and 494 is 1

Notice that 1 = HCF(2,1) = HCF(9,2) = HCF(11,9) = HCF(20,11) = HCF(31,20) = HCF(144,31) = HCF(175,144) = HCF(319,175) = HCF(494,319) = HCF(813,494) .

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

Step 1: Since 290 > 1, we apply the division lemma to 290 and 1, to get

290 = 1 x 290 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 290 is 1

Notice that 1 = HCF(290,1) .

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Frequently Asked Questions on HCF of 813, 494, 290 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 813, 494, 290?

Answer: HCF of 813, 494, 290 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 813, 494, 290 using Euclid's Algorithm?

Answer: For arbitrary numbers 813, 494, 290 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.