Highest Common Factor of 909, 115 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 909, 115 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 909, 115 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 909, 115 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 909, 115 is 1.

HCF(909, 115) = 1

HCF of 909, 115 using Euclid's algorithm

Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.

HCF of:

Highest common factor (HCF) of 909, 115 is 1.

Highest Common Factor of 909,115 using Euclid's algorithm

Highest Common Factor of 909,115 is 1

Step 1: Since 909 > 115, we apply the division lemma to 909 and 115, to get

909 = 115 x 7 + 104

Step 2: Since the reminder 115 ≠ 0, we apply division lemma to 104 and 115, to get

115 = 104 x 1 + 11

Step 3: We consider the new divisor 104 and the new remainder 11, and apply the division lemma to get

104 = 11 x 9 + 5

We consider the new divisor 11 and the new remainder 5,and apply the division lemma to get

11 = 5 x 2 + 1

We consider the new divisor 5 and the new remainder 1,and apply the division lemma to get

5 = 1 x 5 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 909 and 115 is 1

Notice that 1 = HCF(5,1) = HCF(11,5) = HCF(104,11) = HCF(115,104) = HCF(909,115) .

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Frequently Asked Questions on HCF of 909, 115 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 909, 115?

Answer: HCF of 909, 115 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 909, 115 using Euclid's Algorithm?

Answer: For arbitrary numbers 909, 115 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.