Highest Common Factor of 155, 304, 663, 415 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 155, 304, 663, 415 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 155, 304, 663, 415 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 155, 304, 663, 415 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 155, 304, 663, 415 is 1.

HCF(155, 304, 663, 415) = 1

HCF of 155, 304, 663, 415 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 155, 304, 663, 415 is 1.

Highest Common Factor of 155,304,663,415 using Euclid's algorithm

Highest Common Factor of 155,304,663,415 is 1

Step 1: Since 304 > 155, we apply the division lemma to 304 and 155, to get

304 = 155 x 1 + 149

Step 2: Since the reminder 155 ≠ 0, we apply division lemma to 149 and 155, to get

155 = 149 x 1 + 6

Step 3: We consider the new divisor 149 and the new remainder 6, and apply the division lemma to get

149 = 6 x 24 + 5

We consider the new divisor 6 and the new remainder 5,and apply the division lemma to get

6 = 5 x 1 + 1

We consider the new divisor 5 and the new remainder 1,and apply the division lemma to get

5 = 1 x 5 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 155 and 304 is 1

Notice that 1 = HCF(5,1) = HCF(6,5) = HCF(149,6) = HCF(155,149) = HCF(304,155) .


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

Step 1: Since 663 > 1, we apply the division lemma to 663 and 1, to get

663 = 1 x 663 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 663 is 1

Notice that 1 = HCF(663,1) .


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

Step 1: Since 415 > 1, we apply the division lemma to 415 and 1, to get

415 = 1 x 415 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 415 is 1

Notice that 1 = HCF(415,1) .

HCF using Euclid's Algorithm Calculation Examples

Frequently Asked Questions on HCF of 155, 304, 663, 415 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 155, 304, 663, 415?

Answer: HCF of 155, 304, 663, 415 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 155, 304, 663, 415 using Euclid's Algorithm?

Answer: For arbitrary numbers 155, 304, 663, 415 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.