Highest Common Factor of 329, 861, 147 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 329, 861, 147 i.e. 7 the largest integer that leaves a remainder zero for all numbers.
HCF of 329, 861, 147 is 7 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 329, 861, 147 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 329, 861, 147 is 7.
HCF(329, 861, 147) = 7
HCF of 329, 861, 147 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 329, 861, 147 is 7.
Highest Common Factor of 329,861,147 is 7
Step 1: Since 861 > 329, we apply the division lemma to 861 and 329, to get
861 = 329 x 2 + 203
Step 2: Since the reminder 329 ≠ 0, we apply division lemma to 203 and 329, to get
329 = 203 x 1 + 126
Step 3: We consider the new divisor 203 and the new remainder 126, and apply the division lemma to get
203 = 126 x 1 + 77
We consider the new divisor 126 and the new remainder 77,and apply the division lemma to get
126 = 77 x 1 + 49
We consider the new divisor 77 and the new remainder 49,and apply the division lemma to get
77 = 49 x 1 + 28
We consider the new divisor 49 and the new remainder 28,and apply the division lemma to get
49 = 28 x 1 + 21
We consider the new divisor 28 and the new remainder 21,and apply the division lemma to get
28 = 21 x 1 + 7
We consider the new divisor 21 and the new remainder 7,and apply the division lemma to get
21 = 7 x 3 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 7, the HCF of 329 and 861 is 7
Notice that 7 = HCF(21,7) = HCF(28,21) = HCF(49,28) = HCF(77,49) = HCF(126,77) = HCF(203,126) = HCF(329,203) = HCF(861,329) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 147 > 7, we apply the division lemma to 147 and 7, to get
147 = 7 x 21 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 7, the HCF of 7 and 147 is 7
Notice that 7 = HCF(147,7) .
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Frequently Asked Questions on HCF of 329, 861, 147 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 329, 861, 147?
Answer: HCF of 329, 861, 147 is 7 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 329, 861, 147 using Euclid's Algorithm?
Answer: For arbitrary numbers 329, 861, 147 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.