Highest Common Factor of 779, 641 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 779, 641 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 779, 641 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 779, 641 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 779, 641 is 1.
HCF(779, 641) = 1
HCF of 779, 641 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 779, 641 is 1.
Highest Common Factor of 779,641 is 1
Step 1: Since 779 > 641, we apply the division lemma to 779 and 641, to get
779 = 641 x 1 + 138
Step 2: Since the reminder 641 ≠ 0, we apply division lemma to 138 and 641, to get
641 = 138 x 4 + 89
Step 3: We consider the new divisor 138 and the new remainder 89, and apply the division lemma to get
138 = 89 x 1 + 49
We consider the new divisor 89 and the new remainder 49,and apply the division lemma to get
89 = 49 x 1 + 40
We consider the new divisor 49 and the new remainder 40,and apply the division lemma to get
49 = 40 x 1 + 9
We consider the new divisor 40 and the new remainder 9,and apply the division lemma to get
40 = 9 x 4 + 4
We consider the new divisor 9 and the new remainder 4,and apply the division lemma to get
9 = 4 x 2 + 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 779 and 641 is 1
Notice that 1 = HCF(4,1) = HCF(9,4) = HCF(40,9) = HCF(49,40) = HCF(89,49) = HCF(138,89) = HCF(641,138) = HCF(779,641) .
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Frequently Asked Questions on HCF of 779, 641 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 779, 641?
Answer: HCF of 779, 641 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 779, 641 using Euclid's Algorithm?
Answer: For arbitrary numbers 779, 641 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.