Highest Common Factor of 399, 763, 660 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 399, 763, 660 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 399, 763, 660 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 399, 763, 660 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 399, 763, 660 is 1.
HCF(399, 763, 660) = 1
HCF of 399, 763, 660 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 399, 763, 660 is 1.
Highest Common Factor of 399,763,660 is 1
Step 1: Since 763 > 399, we apply the division lemma to 763 and 399, to get
763 = 399 x 1 + 364
Step 2: Since the reminder 399 ≠ 0, we apply division lemma to 364 and 399, to get
399 = 364 x 1 + 35
Step 3: We consider the new divisor 364 and the new remainder 35, and apply the division lemma to get
364 = 35 x 10 + 14
We consider the new divisor 35 and the new remainder 14,and apply the division lemma to get
35 = 14 x 2 + 7
We consider the new divisor 14 and the new remainder 7,and apply the division lemma to get
14 = 7 x 2 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 7, the HCF of 399 and 763 is 7
Notice that 7 = HCF(14,7) = HCF(35,14) = HCF(364,35) = HCF(399,364) = HCF(763,399) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 660 > 7, we apply the division lemma to 660 and 7, to get
660 = 7 x 94 + 2
Step 2: Since the reminder 7 ≠ 0, we apply division lemma to 2 and 7, to get
7 = 2 x 3 + 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 7 and 660 is 1
Notice that 1 = HCF(2,1) = HCF(7,2) = HCF(660,7) .
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Frequently Asked Questions on HCF of 399, 763, 660 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 399, 763, 660?
Answer: HCF of 399, 763, 660 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 399, 763, 660 using Euclid's Algorithm?
Answer: For arbitrary numbers 399, 763, 660 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.