Highest Common Factor of 686, 949, 591 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 686, 949, 591 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 686, 949, 591 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 686, 949, 591 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 686, 949, 591 is 1.
HCF(686, 949, 591) = 1
HCF of 686, 949, 591 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 686, 949, 591 is 1.
Highest Common Factor of 686,949,591 is 1
Step 1: Since 949 > 686, we apply the division lemma to 949 and 686, to get
949 = 686 x 1 + 263
Step 2: Since the reminder 686 ≠ 0, we apply division lemma to 263 and 686, to get
686 = 263 x 2 + 160
Step 3: We consider the new divisor 263 and the new remainder 160, and apply the division lemma to get
263 = 160 x 1 + 103
We consider the new divisor 160 and the new remainder 103,and apply the division lemma to get
160 = 103 x 1 + 57
We consider the new divisor 103 and the new remainder 57,and apply the division lemma to get
103 = 57 x 1 + 46
We consider the new divisor 57 and the new remainder 46,and apply the division lemma to get
57 = 46 x 1 + 11
We consider the new divisor 46 and the new remainder 11,and apply the division lemma to get
46 = 11 x 4 + 2
We consider the new divisor 11 and the new remainder 2,and apply the division lemma to get
11 = 2 x 5 + 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 686 and 949 is 1
Notice that 1 = HCF(2,1) = HCF(11,2) = HCF(46,11) = HCF(57,46) = HCF(103,57) = HCF(160,103) = HCF(263,160) = HCF(686,263) = HCF(949,686) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 591 > 1, we apply the division lemma to 591 and 1, to get
591 = 1 x 591 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 591 is 1
Notice that 1 = HCF(591,1) .
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Frequently Asked Questions on HCF of 686, 949, 591 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 686, 949, 591?
Answer: HCF of 686, 949, 591 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 686, 949, 591 using Euclid's Algorithm?
Answer: For arbitrary numbers 686, 949, 591 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.
