Highest Common Factor of 205, 91 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 205, 91 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 205, 91 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 205, 91 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 205, 91 is 1.
HCF(205, 91) = 1
HCF of 205, 91 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 205, 91 is 1.
Highest Common Factor of 205,91 is 1
Step 1: Since 205 > 91, we apply the division lemma to 205 and 91, to get
205 = 91 x 2 + 23
Step 2: Since the reminder 91 ≠ 0, we apply division lemma to 23 and 91, to get
91 = 23 x 3 + 22
Step 3: We consider the new divisor 23 and the new remainder 22, and apply the division lemma to get
23 = 22 x 1 + 1
We consider the new divisor 22 and the new remainder 1, and apply the division lemma to get
22 = 1 x 22 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 205 and 91 is 1
Notice that 1 = HCF(22,1) = HCF(23,22) = HCF(91,23) = HCF(205,91) .
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Frequently Asked Questions on HCF of 205, 91 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 205, 91?
Answer: HCF of 205, 91 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 205, 91 using Euclid's Algorithm?
Answer: For arbitrary numbers 205, 91 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.