Highest Common Factor of 429, 605, 705 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 429, 605, 705 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 429, 605, 705 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 429, 605, 705 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 429, 605, 705 is 1.
HCF(429, 605, 705) = 1
HCF of 429, 605, 705 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 429, 605, 705 is 1.
Highest Common Factor of 429,605,705 is 1
Step 1: Since 605 > 429, we apply the division lemma to 605 and 429, to get
605 = 429 x 1 + 176
Step 2: Since the reminder 429 ≠ 0, we apply division lemma to 176 and 429, to get
429 = 176 x 2 + 77
Step 3: We consider the new divisor 176 and the new remainder 77, and apply the division lemma to get
176 = 77 x 2 + 22
We consider the new divisor 77 and the new remainder 22,and apply the division lemma to get
77 = 22 x 3 + 11
We consider the new divisor 22 and the new remainder 11,and apply the division lemma to get
22 = 11 x 2 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 11, the HCF of 429 and 605 is 11
Notice that 11 = HCF(22,11) = HCF(77,22) = HCF(176,77) = HCF(429,176) = HCF(605,429) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 705 > 11, we apply the division lemma to 705 and 11, to get
705 = 11 x 64 + 1
Step 2: Since the reminder 11 ≠ 0, we apply division lemma to 1 and 11, to get
11 = 1 x 11 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 11 and 705 is 1
Notice that 1 = HCF(11,1) = HCF(705,11) .
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Frequently Asked Questions on HCF of 429, 605, 705 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 429, 605, 705?
Answer: HCF of 429, 605, 705 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 429, 605, 705 using Euclid's Algorithm?
Answer: For arbitrary numbers 429, 605, 705 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.