Highest Common Factor of 915, 220 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 915, 220 i.e. 5 the largest integer that leaves a remainder zero for all numbers.
HCF of 915, 220 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 915, 220 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 915, 220 is 5.
HCF(915, 220) = 5
HCF of 915, 220 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 915, 220 is 5.
Highest Common Factor of 915,220 is 5
Step 1: Since 915 > 220, we apply the division lemma to 915 and 220, to get
915 = 220 x 4 + 35
Step 2: Since the reminder 220 ≠ 0, we apply division lemma to 35 and 220, to get
220 = 35 x 6 + 10
Step 3: We consider the new divisor 35 and the new remainder 10, and apply the division lemma to get
35 = 10 x 3 + 5
We consider the new divisor 10 and the new remainder 5, and apply the division lemma to get
10 = 5 x 2 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 5, the HCF of 915 and 220 is 5
Notice that 5 = HCF(10,5) = HCF(35,10) = HCF(220,35) = HCF(915,220) .
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Frequently Asked Questions on HCF of 915, 220 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 915, 220?
Answer: HCF of 915, 220 is 5 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 915, 220 using Euclid's Algorithm?
Answer: For arbitrary numbers 915, 220 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.