Highest Common Factor of 215, 1155 using Euclid's algorithm
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 215, 1155 i.e. 5 the largest integer that leaves a remainder zero for all numbers.
HCF of 215, 1155 is 5 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 215, 1155 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 215, 1155 is 5.
HCF(215, 1155) = 5
HCF of 215, 1155 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 215, 1155 is 5.
Highest Common Factor of 215,1155 is 5
Step 1: Since 1155 > 215, we apply the division lemma to 1155 and 215, to get
1155 = 215 x 5 + 80
Step 2: Since the reminder 215 ≠ 0, we apply division lemma to 80 and 215, to get
215 = 80 x 2 + 55
Step 3: We consider the new divisor 80 and the new remainder 55, and apply the division lemma to get
80 = 55 x 1 + 25
We consider the new divisor 55 and the new remainder 25,and apply the division lemma to get
55 = 25 x 2 + 5
We consider the new divisor 25 and the new remainder 5,and apply the division lemma to get
25 = 5 x 5 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 5, the HCF of 215 and 1155 is 5
Notice that 5 = HCF(25,5) = HCF(55,25) = HCF(80,55) = HCF(215,80) = HCF(1155,215) .
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Frequently Asked Questions on HCF of 215, 1155 using Euclid's Algorithm
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 215, 1155?
Answer: HCF of 215, 1155 is 5 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 215, 1155 using Euclid's Algorithm?
Answer: For arbitrary numbers 215, 1155 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.