Highest Common Factor of 543, 517, 817 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 543, 517, 817 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 543, 517, 817 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 543, 517, 817 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 543, 517, 817 is 1.
HCF(543, 517, 817) = 1
HCF of 543, 517, 817 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 543, 517, 817 is 1.
Highest Common Factor of 543,517,817 is 1
Step 1: Since 543 > 517, we apply the division lemma to 543 and 517, to get
543 = 517 x 1 + 26
Step 2: Since the reminder 517 ≠ 0, we apply division lemma to 26 and 517, to get
517 = 26 x 19 + 23
Step 3: We consider the new divisor 26 and the new remainder 23, and apply the division lemma to get
26 = 23 x 1 + 3
We consider the new divisor 23 and the new remainder 3,and apply the division lemma to get
23 = 3 x 7 + 2
We consider the new divisor 3 and the new remainder 2,and apply the division lemma to get
3 = 2 x 1 + 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 543 and 517 is 1
Notice that 1 = HCF(2,1) = HCF(3,2) = HCF(23,3) = HCF(26,23) = HCF(517,26) = HCF(543,517) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 817 > 1, we apply the division lemma to 817 and 1, to get
817 = 1 x 817 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 817 is 1
Notice that 1 = HCF(817,1) .
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Frequently Asked Questions on HCF of 543, 517, 817 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 543, 517, 817?
Answer: HCF of 543, 517, 817 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 543, 517, 817 using Euclid's Algorithm?
Answer: For arbitrary numbers 543, 517, 817 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.
