Highest Common Factor of 605, 843 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 605, 843 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 605, 843 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 605, 843 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 605, 843 is 1.
HCF(605, 843) = 1
HCF of 605, 843 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 605, 843 is 1.
Highest Common Factor of 605,843 is 1
Step 1: Since 843 > 605, we apply the division lemma to 843 and 605, to get
843 = 605 x 1 + 238
Step 2: Since the reminder 605 ≠ 0, we apply division lemma to 238 and 605, to get
605 = 238 x 2 + 129
Step 3: We consider the new divisor 238 and the new remainder 129, and apply the division lemma to get
238 = 129 x 1 + 109
We consider the new divisor 129 and the new remainder 109,and apply the division lemma to get
129 = 109 x 1 + 20
We consider the new divisor 109 and the new remainder 20,and apply the division lemma to get
109 = 20 x 5 + 9
We consider the new divisor 20 and the new remainder 9,and apply the division lemma to get
20 = 9 x 2 + 2
We consider the new divisor 9 and the new remainder 2,and apply the division lemma to get
9 = 2 x 4 + 1
We consider the new divisor 2 and the new remainder 1,and apply the division lemma to get
2 = 1 x 2 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 605 and 843 is 1
Notice that 1 = HCF(2,1) = HCF(9,2) = HCF(20,9) = HCF(109,20) = HCF(129,109) = HCF(238,129) = HCF(605,238) = HCF(843,605) .
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Frequently Asked Questions on HCF of 605, 843 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 605, 843?
Answer: HCF of 605, 843 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 605, 843 using Euclid's Algorithm?
Answer: For arbitrary numbers 605, 843 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.