Highest Common Factor of 709, 729, 78, 209 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 709, 729, 78, 209 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 709, 729, 78, 209 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 709, 729, 78, 209 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 709, 729, 78, 209 is 1.

HCF(709, 729, 78, 209) = 1

HCF of 709, 729, 78, 209 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 709, 729, 78, 209 is 1.

Highest Common Factor of 709,729,78,209 using Euclid's algorithm

Highest Common Factor of 709,729,78,209 is 1

Step 1: Since 729 > 709, we apply the division lemma to 729 and 709, to get

729 = 709 x 1 + 20

Step 2: Since the reminder 709 ≠ 0, we apply division lemma to 20 and 709, to get

709 = 20 x 35 + 9

Step 3: We consider the new divisor 20 and the new remainder 9, and apply the division lemma to get

20 = 9 x 2 + 2

We consider the new divisor 9 and the new remainder 2,and apply the division lemma to get

9 = 2 x 4 + 1

We consider the new divisor 2 and the new remainder 1,and apply the division lemma to get

2 = 1 x 2 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 709 and 729 is 1

Notice that 1 = HCF(2,1) = HCF(9,2) = HCF(20,9) = HCF(709,20) = HCF(729,709) .


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

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

Notice that 1 = HCF(78,1) .


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

Step 1: Since 209 > 1, we apply the division lemma to 209 and 1, to get

209 = 1 x 209 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 209 is 1

Notice that 1 = HCF(209,1) .

HCF using Euclid's Algorithm Calculation Examples

Frequently Asked Questions on HCF of 709, 729, 78, 209 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 709, 729, 78, 209?

Answer: HCF of 709, 729, 78, 209 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 709, 729, 78, 209 using Euclid's Algorithm?

Answer: For arbitrary numbers 709, 729, 78, 209 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.