Highest Common Factor of 391, 647, 362 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 391, 647, 362 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 391, 647, 362 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 391, 647, 362 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 391, 647, 362 is 1.
HCF(391, 647, 362) = 1
HCF of 391, 647, 362 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 391, 647, 362 is 1.
Highest Common Factor of 391,647,362 is 1
Step 1: Since 647 > 391, we apply the division lemma to 647 and 391, to get
647 = 391 x 1 + 256
Step 2: Since the reminder 391 ≠ 0, we apply division lemma to 256 and 391, to get
391 = 256 x 1 + 135
Step 3: We consider the new divisor 256 and the new remainder 135, and apply the division lemma to get
256 = 135 x 1 + 121
We consider the new divisor 135 and the new remainder 121,and apply the division lemma to get
135 = 121 x 1 + 14
We consider the new divisor 121 and the new remainder 14,and apply the division lemma to get
121 = 14 x 8 + 9
We consider the new divisor 14 and the new remainder 9,and apply the division lemma to get
14 = 9 x 1 + 5
We consider the new divisor 9 and the new remainder 5,and apply the division lemma to get
9 = 5 x 1 + 4
We consider the new divisor 5 and the new remainder 4,and apply the division lemma to get
5 = 4 x 1 + 1
We consider the new divisor 4 and the new remainder 1,and apply the division lemma to get
4 = 1 x 4 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 391 and 647 is 1
Notice that 1 = HCF(4,1) = HCF(5,4) = HCF(9,5) = HCF(14,9) = HCF(121,14) = HCF(135,121) = HCF(256,135) = HCF(391,256) = HCF(647,391) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 362 > 1, we apply the division lemma to 362 and 1, to get
362 = 1 x 362 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 362 is 1
Notice that 1 = HCF(362,1) .
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Frequently Asked Questions on HCF of 391, 647, 362 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 391, 647, 362?
Answer: HCF of 391, 647, 362 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 391, 647, 362 using Euclid's Algorithm?
Answer: For arbitrary numbers 391, 647, 362 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.