Highest Common Factor of 805, 603, 158 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 805, 603, 158 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 805, 603, 158 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 805, 603, 158 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 805, 603, 158 is 1.

HCF(805, 603, 158) = 1

HCF of 805, 603, 158 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 805, 603, 158 is 1.

Highest Common Factor of 805,603,158 using Euclid's algorithm

Highest Common Factor of 805,603,158 is 1

Step 1: Since 805 > 603, we apply the division lemma to 805 and 603, to get

805 = 603 x 1 + 202

Step 2: Since the reminder 603 ≠ 0, we apply division lemma to 202 and 603, to get

603 = 202 x 2 + 199

Step 3: We consider the new divisor 202 and the new remainder 199, and apply the division lemma to get

202 = 199 x 1 + 3

We consider the new divisor 199 and the new remainder 3,and apply the division lemma to get

199 = 3 x 66 + 1

We consider the new divisor 3 and the new remainder 1,and apply the division lemma to get

3 = 1 x 3 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 805 and 603 is 1

Notice that 1 = HCF(3,1) = HCF(199,3) = HCF(202,199) = HCF(603,202) = HCF(805,603) .


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

Step 1: Since 158 > 1, we apply the division lemma to 158 and 1, to get

158 = 1 x 158 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 158 is 1

Notice that 1 = HCF(158,1) .

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Frequently Asked Questions on HCF of 805, 603, 158 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 805, 603, 158?

Answer: HCF of 805, 603, 158 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 805, 603, 158 using Euclid's Algorithm?

Answer: For arbitrary numbers 805, 603, 158 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.