Highest Common Factor of 775, 405 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 775, 405 i.e. 5 the largest integer that leaves a remainder zero for all numbers.
HCF of 775, 405 is 5 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 775, 405 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 775, 405 is 5.
HCF(775, 405) = 5
HCF of 775, 405 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 775, 405 is 5.
Highest Common Factor of 775,405 is 5
Step 1: Since 775 > 405, we apply the division lemma to 775 and 405, to get
775 = 405 x 1 + 370
Step 2: Since the reminder 405 ≠ 0, we apply division lemma to 370 and 405, to get
405 = 370 x 1 + 35
Step 3: We consider the new divisor 370 and the new remainder 35, and apply the division lemma to get
370 = 35 x 10 + 20
We consider the new divisor 35 and the new remainder 20,and apply the division lemma to get
35 = 20 x 1 + 15
We consider the new divisor 20 and the new remainder 15,and apply the division lemma to get
20 = 15 x 1 + 5
We consider the new divisor 15 and the new remainder 5,and apply the division lemma to get
15 = 5 x 3 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 5, the HCF of 775 and 405 is 5
Notice that 5 = HCF(15,5) = HCF(20,15) = HCF(35,20) = HCF(370,35) = HCF(405,370) = HCF(775,405) .
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Frequently Asked Questions on HCF of 775, 405 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 775, 405?
Answer: HCF of 775, 405 is 5 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 775, 405 using Euclid's Algorithm?
Answer: For arbitrary numbers 775, 405 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.