Highest Common Factor of 819, 767, 644 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 819, 767, 644 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 819, 767, 644 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 819, 767, 644 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 819, 767, 644 is 1.
HCF(819, 767, 644) = 1
HCF of 819, 767, 644 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 819, 767, 644 is 1.
Highest Common Factor of 819,767,644 is 1
Step 1: Since 819 > 767, we apply the division lemma to 819 and 767, to get
819 = 767 x 1 + 52
Step 2: Since the reminder 767 ≠ 0, we apply division lemma to 52 and 767, to get
767 = 52 x 14 + 39
Step 3: We consider the new divisor 52 and the new remainder 39, and apply the division lemma to get
52 = 39 x 1 + 13
We consider the new divisor 39 and the new remainder 13, and apply the division lemma to get
39 = 13 x 3 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 13, the HCF of 819 and 767 is 13
Notice that 13 = HCF(39,13) = HCF(52,39) = HCF(767,52) = HCF(819,767) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 644 > 13, we apply the division lemma to 644 and 13, to get
644 = 13 x 49 + 7
Step 2: Since the reminder 13 ≠ 0, we apply division lemma to 7 and 13, to get
13 = 7 x 1 + 6
Step 3: We consider the new divisor 7 and the new remainder 6, and apply the division lemma to get
7 = 6 x 1 + 1
We consider the new divisor 6 and the new remainder 1, and apply the division lemma to get
6 = 1 x 6 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 13 and 644 is 1
Notice that 1 = HCF(6,1) = HCF(7,6) = HCF(13,7) = HCF(644,13) .
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Frequently Asked Questions on HCF of 819, 767, 644 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 819, 767, 644?
Answer: HCF of 819, 767, 644 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 819, 767, 644 using Euclid's Algorithm?
Answer: For arbitrary numbers 819, 767, 644 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.