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 399, 539, 818 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 399, 539, 818 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 399, 539, 818 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 399, 539, 818 is 1.
HCF(399, 539, 818) = 1
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 399, 539, 818 is 1.
Step 1: Since 539 > 399, we apply the division lemma to 539 and 399, to get
539 = 399 x 1 + 140
Step 2: Since the reminder 399 ≠ 0, we apply division lemma to 140 and 399, to get
399 = 140 x 2 + 119
Step 3: We consider the new divisor 140 and the new remainder 119, and apply the division lemma to get
140 = 119 x 1 + 21
We consider the new divisor 119 and the new remainder 21,and apply the division lemma to get
119 = 21 x 5 + 14
We consider the new divisor 21 and the new remainder 14,and apply the division lemma to get
21 = 14 x 1 + 7
We consider the new divisor 14 and the new remainder 7,and apply the division lemma to get
14 = 7 x 2 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 7, the HCF of 399 and 539 is 7
Notice that 7 = HCF(14,7) = HCF(21,14) = HCF(119,21) = HCF(140,119) = HCF(399,140) = HCF(539,399) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 818 > 7, we apply the division lemma to 818 and 7, to get
818 = 7 x 116 + 6
Step 2: Since the reminder 7 ≠ 0, we apply division lemma to 6 and 7, to get
7 = 6 x 1 + 1
Step 3: 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 7 and 818 is 1
Notice that 1 = HCF(6,1) = HCF(7,6) = HCF(818,7) .
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 399, 539, 818?
Answer: HCF of 399, 539, 818 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 399, 539, 818 using Euclid's Algorithm?
Answer: For arbitrary numbers 399, 539, 818 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.