Highest Common Factor of 79, 78, 17, 31 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 79, 78, 17, 31 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 79, 78, 17, 31 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 79, 78, 17, 31 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 79, 78, 17, 31 is 1.

HCF(79, 78, 17, 31) = 1

HCF of 79, 78, 17, 31 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 79, 78, 17, 31 is 1.

Highest Common Factor of 79,78,17,31 using Euclid's algorithm

Highest Common Factor of 79,78,17,31 is 1

Step 1: Since 79 > 78, we apply the division lemma to 79 and 78, to get

79 = 78 x 1 + 1

Step 2: Since the reminder 78 ≠ 0, we apply division lemma to 1 and 78, to get

78 = 1 x 78 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 79 and 78 is 1

Notice that 1 = HCF(78,1) = HCF(79,78) .


We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma

Step 1: Since 17 > 1, we apply the division lemma to 17 and 1, to get

17 = 1 x 17 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 17 is 1

Notice that 1 = HCF(17,1) .


We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma

Step 1: Since 31 > 1, we apply the division lemma to 31 and 1, to get

31 = 1 x 31 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 31 is 1

Notice that 1 = HCF(31,1) .

HCF using Euclid's Algorithm Calculation Examples

Here are some samples of HCF using Euclid's Algorithm calculations.

Frequently Asked Questions on HCF of 79, 78, 17, 31 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 79, 78, 17, 31?

Answer: HCF of 79, 78, 17, 31 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 79, 78, 17, 31 using Euclid's Algorithm?

Answer: For arbitrary numbers 79, 78, 17, 31 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.