Highest Common Factor of 827, 421, 720 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 827, 421, 720 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 827, 421, 720 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 827, 421, 720 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 827, 421, 720 is 1.
HCF(827, 421, 720) = 1
HCF of 827, 421, 720 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 827, 421, 720 is 1.
Highest Common Factor of 827,421,720 is 1
Step 1: Since 827 > 421, we apply the division lemma to 827 and 421, to get
827 = 421 x 1 + 406
Step 2: Since the reminder 421 ≠ 0, we apply division lemma to 406 and 421, to get
421 = 406 x 1 + 15
Step 3: We consider the new divisor 406 and the new remainder 15, and apply the division lemma to get
406 = 15 x 27 + 1
We consider the new divisor 15 and the new remainder 1, and apply the division lemma to get
15 = 1 x 15 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 827 and 421 is 1
Notice that 1 = HCF(15,1) = HCF(406,15) = HCF(421,406) = HCF(827,421) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 720 > 1, we apply the division lemma to 720 and 1, to get
720 = 1 x 720 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 720 is 1
Notice that 1 = HCF(720,1) .
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Frequently Asked Questions on HCF of 827, 421, 720 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 827, 421, 720?
Answer: HCF of 827, 421, 720 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 827, 421, 720 using Euclid's Algorithm?
Answer: For arbitrary numbers 827, 421, 720 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.