Highest Common Factor of 790, 665, 442 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 790, 665, 442 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 790, 665, 442 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 790, 665, 442 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 790, 665, 442 is 1.
HCF(790, 665, 442) = 1
HCF of 790, 665, 442 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 790, 665, 442 is 1.
Highest Common Factor of 790,665,442 is 1
Step 1: Since 790 > 665, we apply the division lemma to 790 and 665, to get
790 = 665 x 1 + 125
Step 2: Since the reminder 665 ≠ 0, we apply division lemma to 125 and 665, to get
665 = 125 x 5 + 40
Step 3: We consider the new divisor 125 and the new remainder 40, and apply the division lemma to get
125 = 40 x 3 + 5
We consider the new divisor 40 and the new remainder 5, and apply the division lemma to get
40 = 5 x 8 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 5, the HCF of 790 and 665 is 5
Notice that 5 = HCF(40,5) = HCF(125,40) = HCF(665,125) = HCF(790,665) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 442 > 5, we apply the division lemma to 442 and 5, to get
442 = 5 x 88 + 2
Step 2: Since the reminder 5 ≠ 0, we apply division lemma to 2 and 5, to get
5 = 2 x 2 + 1
Step 3: 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 5 and 442 is 1
Notice that 1 = HCF(2,1) = HCF(5,2) = HCF(442,5) .
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Frequently Asked Questions on HCF of 790, 665, 442 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 790, 665, 442?
Answer: HCF of 790, 665, 442 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 790, 665, 442 using Euclid's Algorithm?
Answer: For arbitrary numbers 790, 665, 442 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.
