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, 625, 115 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 487, 625, 115 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, 625, 115 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, 625, 115 is 1.
HCF(487, 625, 115) = 1
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 487, 625, 115 is 1.
Step 1: Since 625 > 487, we apply the division lemma to 625 and 487, to get
625 = 487 x 1 + 138
Step 2: Since the reminder 487 ≠ 0, we apply division lemma to 138 and 487, to get
487 = 138 x 3 + 73
Step 3: We consider the new divisor 138 and the new remainder 73, and apply the division lemma to get
138 = 73 x 1 + 65
We consider the new divisor 73 and the new remainder 65,and apply the division lemma to get
73 = 65 x 1 + 8
We consider the new divisor 65 and the new remainder 8,and apply the division lemma to get
65 = 8 x 8 + 1
We consider the new divisor 8 and the new remainder 1,and apply the division lemma to get
8 = 1 x 8 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 487 and 625 is 1
Notice that 1 = HCF(8,1) = HCF(65,8) = HCF(73,65) = HCF(138,73) = HCF(487,138) = HCF(625,487) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 115 > 1, we apply the division lemma to 115 and 1, to get
115 = 1 x 115 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 115 is 1
Notice that 1 = HCF(115,1) .
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, 625, 115?
Answer: HCF of 487, 625, 115 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 487, 625, 115 using Euclid's Algorithm?
Answer: For arbitrary numbers 487, 625, 115 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.