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 487, 822, 653 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 487, 822, 653 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 487, 822, 653 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 487, 822, 653 is 1.
HCF(487, 822, 653) = 1
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 487, 822, 653 is 1.
Step 1: Since 822 > 487, we apply the division lemma to 822 and 487, to get
822 = 487 x 1 + 335
Step 2: Since the reminder 487 ≠ 0, we apply division lemma to 335 and 487, to get
487 = 335 x 1 + 152
Step 3: We consider the new divisor 335 and the new remainder 152, and apply the division lemma to get
335 = 152 x 2 + 31
We consider the new divisor 152 and the new remainder 31,and apply the division lemma to get
152 = 31 x 4 + 28
We consider the new divisor 31 and the new remainder 28,and apply the division lemma to get
31 = 28 x 1 + 3
We consider the new divisor 28 and the new remainder 3,and apply the division lemma to get
28 = 3 x 9 + 1
We consider the new divisor 3 and the new remainder 1,and apply the division lemma to get
3 = 1 x 3 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 487 and 822 is 1
Notice that 1 = HCF(3,1) = HCF(28,3) = HCF(31,28) = HCF(152,31) = HCF(335,152) = HCF(487,335) = HCF(822,487) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 653 > 1, we apply the division lemma to 653 and 1, to get
653 = 1 x 653 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 653 is 1
Notice that 1 = HCF(653,1) .
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 487, 822, 653?
Answer: HCF of 487, 822, 653 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 487, 822, 653 using Euclid's Algorithm?
Answer: For arbitrary numbers 487, 822, 653 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.