Highest Common Factor of 30, 91, 697, 902 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 30, 91, 697, 902 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 30, 91, 697, 902 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 30, 91, 697, 902 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 30, 91, 697, 902 is 1.

HCF(30, 91, 697, 902) = 1

HCF of 30, 91, 697, 902 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 30, 91, 697, 902 is 1.

Highest Common Factor of 30,91,697,902 using Euclid's algorithm

Highest Common Factor of 30,91,697,902 is 1

Step 1: Since 91 > 30, we apply the division lemma to 91 and 30, to get

91 = 30 x 3 + 1

Step 2: Since the reminder 30 ≠ 0, we apply division lemma to 1 and 30, to get

30 = 1 x 30 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 30 and 91 is 1

Notice that 1 = HCF(30,1) = HCF(91,30) .


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

Step 1: Since 697 > 1, we apply the division lemma to 697 and 1, to get

697 = 1 x 697 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 697 is 1

Notice that 1 = HCF(697,1) .


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

Step 1: Since 902 > 1, we apply the division lemma to 902 and 1, to get

902 = 1 x 902 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 902 is 1

Notice that 1 = HCF(902,1) .

HCF using Euclid's Algorithm Calculation Examples

Frequently Asked Questions on HCF of 30, 91, 697, 902 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 30, 91, 697, 902?

Answer: HCF of 30, 91, 697, 902 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 30, 91, 697, 902 using Euclid's Algorithm?

Answer: For arbitrary numbers 30, 91, 697, 902 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.