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 515, 8391 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 515, 8391 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 515, 8391 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 515, 8391 is 1.
HCF(515, 8391) = 1
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 515, 8391 is 1.
Step 1: Since 8391 > 515, we apply the division lemma to 8391 and 515, to get
8391 = 515 x 16 + 151
Step 2: Since the reminder 515 ≠ 0, we apply division lemma to 151 and 515, to get
515 = 151 x 3 + 62
Step 3: We consider the new divisor 151 and the new remainder 62, and apply the division lemma to get
151 = 62 x 2 + 27
We consider the new divisor 62 and the new remainder 27,and apply the division lemma to get
62 = 27 x 2 + 8
We consider the new divisor 27 and the new remainder 8,and apply the division lemma to get
27 = 8 x 3 + 3
We consider the new divisor 8 and the new remainder 3,and apply the division lemma to get
8 = 3 x 2 + 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 515 and 8391 is 1
Notice that 1 = HCF(2,1) = HCF(3,2) = HCF(8,3) = HCF(27,8) = HCF(62,27) = HCF(151,62) = HCF(515,151) = HCF(8391,515) .
Here are some samples of HCF using Euclid's Algorithm calculations.
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 515, 8391?
Answer: HCF of 515, 8391 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 515, 8391 using Euclid's Algorithm?
Answer: For arbitrary numbers 515, 8391 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.