Highest Common Factor of 961, 15801 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 961, 15801 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 961, 15801 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 961, 15801 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 961, 15801 is 1.

HCF(961, 15801) = 1

HCF of 961, 15801 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 961, 15801 is 1.

Highest Common Factor of 961,15801 using Euclid's algorithm

Highest Common Factor of 961,15801 is 1

Step 1: Since 15801 > 961, we apply the division lemma to 15801 and 961, to get

15801 = 961 x 16 + 425

Step 2: Since the reminder 961 ≠ 0, we apply division lemma to 425 and 961, to get

961 = 425 x 2 + 111

Step 3: We consider the new divisor 425 and the new remainder 111, and apply the division lemma to get

425 = 111 x 3 + 92

We consider the new divisor 111 and the new remainder 92,and apply the division lemma to get

111 = 92 x 1 + 19

We consider the new divisor 92 and the new remainder 19,and apply the division lemma to get

92 = 19 x 4 + 16

We consider the new divisor 19 and the new remainder 16,and apply the division lemma to get

19 = 16 x 1 + 3

We consider the new divisor 16 and the new remainder 3,and apply the division lemma to get

16 = 3 x 5 + 1

We consider the new divisor 3 and the new remainder 1,and apply the division lemma to get

3 = 1 x 3 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 961 and 15801 is 1

Notice that 1 = HCF(3,1) = HCF(16,3) = HCF(19,16) = HCF(92,19) = HCF(111,92) = HCF(425,111) = HCF(961,425) = HCF(15801,961) .

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Frequently Asked Questions on HCF of 961, 15801 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 961, 15801?

Answer: HCF of 961, 15801 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 961, 15801 using Euclid's Algorithm?

Answer: For arbitrary numbers 961, 15801 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.