Highest Common Factor of 303, 191 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 303, 191 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 303, 191 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 303, 191 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 303, 191 is 1.

HCF(303, 191) = 1

HCF of 303, 191 using Euclid's algorithm

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

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Highest common factor (HCF) of 303, 191 is 1.

Highest Common Factor of 303,191 using Euclid's algorithm

Highest Common Factor of 303,191 is 1

Step 1: Since 303 > 191, we apply the division lemma to 303 and 191, to get

303 = 191 x 1 + 112

Step 2: Since the reminder 191 ≠ 0, we apply division lemma to 112 and 191, to get

191 = 112 x 1 + 79

Step 3: We consider the new divisor 112 and the new remainder 79, and apply the division lemma to get

112 = 79 x 1 + 33

We consider the new divisor 79 and the new remainder 33,and apply the division lemma to get

79 = 33 x 2 + 13

We consider the new divisor 33 and the new remainder 13,and apply the division lemma to get

33 = 13 x 2 + 7

We consider the new divisor 13 and the new remainder 7,and apply the division lemma to get

13 = 7 x 1 + 6

We consider the new divisor 7 and the new remainder 6,and apply the division lemma to get

7 = 6 x 1 + 1

We consider the new divisor 6 and the new remainder 1,and apply the division lemma to get

6 = 1 x 6 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 303 and 191 is 1

Notice that 1 = HCF(6,1) = HCF(7,6) = HCF(13,7) = HCF(33,13) = HCF(79,33) = HCF(112,79) = HCF(191,112) = HCF(303,191) .

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Frequently Asked Questions on HCF of 303, 191 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 303, 191?

Answer: HCF of 303, 191 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 303, 191 using Euclid's Algorithm?

Answer: For arbitrary numbers 303, 191 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.