Highest Common Factor of 161, 285, 358 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 161, 285, 358 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 161, 285, 358 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 161, 285, 358 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 161, 285, 358 is 1.

HCF(161, 285, 358) = 1

HCF of 161, 285, 358 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 161, 285, 358 is 1.

Highest Common Factor of 161,285,358 using Euclid's algorithm

Highest Common Factor of 161,285,358 is 1

Step 1: Since 285 > 161, we apply the division lemma to 285 and 161, to get

285 = 161 x 1 + 124

Step 2: Since the reminder 161 ≠ 0, we apply division lemma to 124 and 161, to get

161 = 124 x 1 + 37

Step 3: We consider the new divisor 124 and the new remainder 37, and apply the division lemma to get

124 = 37 x 3 + 13

We consider the new divisor 37 and the new remainder 13,and apply the division lemma to get

37 = 13 x 2 + 11

We consider the new divisor 13 and the new remainder 11,and apply the division lemma to get

13 = 11 x 1 + 2

We consider the new divisor 11 and the new remainder 2,and apply the division lemma to get

11 = 2 x 5 + 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 161 and 285 is 1

Notice that 1 = HCF(2,1) = HCF(11,2) = HCF(13,11) = HCF(37,13) = HCF(124,37) = HCF(161,124) = HCF(285,161) .

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

Step 1: Since 358 > 1, we apply the division lemma to 358 and 1, to get

358 = 1 x 358 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 358 is 1

Notice that 1 = HCF(358,1) .

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Frequently Asked Questions on HCF of 161, 285, 358 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 161, 285, 358?

Answer: HCF of 161, 285, 358 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 161, 285, 358 using Euclid's Algorithm?

Answer: For arbitrary numbers 161, 285, 358 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.