Highest Common Factor of 871, 642 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 871, 642 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 871, 642 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 871, 642 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 871, 642 is 1.
HCF(871, 642) = 1
HCF of 871, 642 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 871, 642 is 1.
Highest Common Factor of 871,642 is 1
Step 1: Since 871 > 642, we apply the division lemma to 871 and 642, to get
871 = 642 x 1 + 229
Step 2: Since the reminder 642 ≠ 0, we apply division lemma to 229 and 642, to get
642 = 229 x 2 + 184
Step 3: We consider the new divisor 229 and the new remainder 184, and apply the division lemma to get
229 = 184 x 1 + 45
We consider the new divisor 184 and the new remainder 45,and apply the division lemma to get
184 = 45 x 4 + 4
We consider the new divisor 45 and the new remainder 4,and apply the division lemma to get
45 = 4 x 11 + 1
We consider the new divisor 4 and the new remainder 1,and apply the division lemma to get
4 = 1 x 4 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 871 and 642 is 1
Notice that 1 = HCF(4,1) = HCF(45,4) = HCF(184,45) = HCF(229,184) = HCF(642,229) = HCF(871,642) .
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Frequently Asked Questions on HCF of 871, 642 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 871, 642?
Answer: HCF of 871, 642 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 871, 642 using Euclid's Algorithm?
Answer: For arbitrary numbers 871, 642 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.