Highest Common Factor of 890, 518, 209 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 890, 518, 209 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 890, 518, 209 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 890, 518, 209 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 890, 518, 209 is 1.

HCF(890, 518, 209) = 1

HCF of 890, 518, 209 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 890, 518, 209 is 1.

Highest Common Factor of 890,518,209 using Euclid's algorithm

Highest Common Factor of 890,518,209 is 1

Step 1: Since 890 > 518, we apply the division lemma to 890 and 518, to get

890 = 518 x 1 + 372

Step 2: Since the reminder 518 ≠ 0, we apply division lemma to 372 and 518, to get

518 = 372 x 1 + 146

Step 3: We consider the new divisor 372 and the new remainder 146, and apply the division lemma to get

372 = 146 x 2 + 80

We consider the new divisor 146 and the new remainder 80,and apply the division lemma to get

146 = 80 x 1 + 66

We consider the new divisor 80 and the new remainder 66,and apply the division lemma to get

80 = 66 x 1 + 14

We consider the new divisor 66 and the new remainder 14,and apply the division lemma to get

66 = 14 x 4 + 10

We consider the new divisor 14 and the new remainder 10,and apply the division lemma to get

14 = 10 x 1 + 4

We consider the new divisor 10 and the new remainder 4,and apply the division lemma to get

10 = 4 x 2 + 2

We consider the new divisor 4 and the new remainder 2,and apply the division lemma to get

4 = 2 x 2 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 2, the HCF of 890 and 518 is 2

Notice that 2 = HCF(4,2) = HCF(10,4) = HCF(14,10) = HCF(66,14) = HCF(80,66) = HCF(146,80) = HCF(372,146) = HCF(518,372) = HCF(890,518) .

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

Step 1: Since 209 > 2, we apply the division lemma to 209 and 2, to get

209 = 2 x 104 + 1

Step 2: Since the reminder 2 ≠ 0, we apply division lemma to 1 and 2, 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 2 and 209 is 1

Notice that 1 = HCF(2,1) = HCF(209,2) .

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Frequently Asked Questions on HCF of 890, 518, 209 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 890, 518, 209?

Answer: HCF of 890, 518, 209 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 890, 518, 209 using Euclid's Algorithm?

Answer: For arbitrary numbers 890, 518, 209 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.