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 791, 487, 516 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 791, 487, 516 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 791, 487, 516 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 791, 487, 516 is 1.
HCF(791, 487, 516) = 1
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 791, 487, 516 is 1.
Step 1: Since 791 > 487, we apply the division lemma to 791 and 487, to get
791 = 487 x 1 + 304
Step 2: Since the reminder 487 ≠ 0, we apply division lemma to 304 and 487, to get
487 = 304 x 1 + 183
Step 3: We consider the new divisor 304 and the new remainder 183, and apply the division lemma to get
304 = 183 x 1 + 121
We consider the new divisor 183 and the new remainder 121,and apply the division lemma to get
183 = 121 x 1 + 62
We consider the new divisor 121 and the new remainder 62,and apply the division lemma to get
121 = 62 x 1 + 59
We consider the new divisor 62 and the new remainder 59,and apply the division lemma to get
62 = 59 x 1 + 3
We consider the new divisor 59 and the new remainder 3,and apply the division lemma to get
59 = 3 x 19 + 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 791 and 487 is 1
Notice that 1 = HCF(2,1) = HCF(3,2) = HCF(59,3) = HCF(62,59) = HCF(121,62) = HCF(183,121) = HCF(304,183) = HCF(487,304) = HCF(791,487) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 516 > 1, we apply the division lemma to 516 and 1, to get
516 = 1 x 516 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 516 is 1
Notice that 1 = HCF(516,1) .
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 791, 487, 516?
Answer: HCF of 791, 487, 516 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 791, 487, 516 using Euclid's Algorithm?
Answer: For arbitrary numbers 791, 487, 516 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.