Highest Common Factor of 154, 847, 242 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 154, 847, 242 i.e. 11 the largest integer that leaves a remainder zero for all numbers.

HCF of 154, 847, 242 is 11 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 154, 847, 242 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 154, 847, 242 is 11.

HCF(154, 847, 242) = 11

HCF of 154, 847, 242 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 154, 847, 242 is 11.

Highest Common Factor of 154,847,242 using Euclid's algorithm

Highest Common Factor of 154,847,242 is 11

Step 1: Since 847 > 154, we apply the division lemma to 847 and 154, to get

847 = 154 x 5 + 77

Step 2: Since the reminder 154 ≠ 0, we apply division lemma to 77 and 154, to get

154 = 77 x 2 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 77, the HCF of 154 and 847 is 77

Notice that 77 = HCF(154,77) = HCF(847,154) .


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

Step 1: Since 242 > 77, we apply the division lemma to 242 and 77, to get

242 = 77 x 3 + 11

Step 2: Since the reminder 77 ≠ 0, we apply division lemma to 11 and 77, to get

77 = 11 x 7 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 11, the HCF of 77 and 242 is 11

Notice that 11 = HCF(77,11) = HCF(242,77) .

HCF using Euclid's Algorithm Calculation Examples

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

Frequently Asked Questions on HCF of 154, 847, 242 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 154, 847, 242?

Answer: HCF of 154, 847, 242 is 11 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 154, 847, 242 using Euclid's Algorithm?

Answer: For arbitrary numbers 154, 847, 242 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.