Highest Common Factor of 791, 355, 783 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 791, 355, 783 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 791, 355, 783 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 791, 355, 783 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 791, 355, 783 is 1.
HCF(791, 355, 783) = 1
HCF of 791, 355, 783 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 791, 355, 783 is 1.
Highest Common Factor of 791,355,783 is 1
Step 1: Since 791 > 355, we apply the division lemma to 791 and 355, to get
791 = 355 x 2 + 81
Step 2: Since the reminder 355 ≠ 0, we apply division lemma to 81 and 355, to get
355 = 81 x 4 + 31
Step 3: We consider the new divisor 81 and the new remainder 31, and apply the division lemma to get
81 = 31 x 2 + 19
We consider the new divisor 31 and the new remainder 19,and apply the division lemma to get
31 = 19 x 1 + 12
We consider the new divisor 19 and the new remainder 12,and apply the division lemma to get
19 = 12 x 1 + 7
We consider the new divisor 12 and the new remainder 7,and apply the division lemma to get
12 = 7 x 1 + 5
We consider the new divisor 7 and the new remainder 5,and apply the division lemma to get
7 = 5 x 1 + 2
We consider the new divisor 5 and the new remainder 2,and apply the division lemma to get
5 = 2 x 2 + 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 791 and 355 is 1
Notice that 1 = HCF(2,1) = HCF(5,2) = HCF(7,5) = HCF(12,7) = HCF(19,12) = HCF(31,19) = HCF(81,31) = HCF(355,81) = HCF(791,355) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 783 > 1, we apply the division lemma to 783 and 1, to get
783 = 1 x 783 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 783 is 1
Notice that 1 = HCF(783,1) .
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Frequently Asked Questions on HCF of 791, 355, 783 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 791, 355, 783?
Answer: HCF of 791, 355, 783 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 791, 355, 783 using Euclid's Algorithm?
Answer: For arbitrary numbers 791, 355, 783 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.