Highest Common Factor of 166, 136, 665 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 166, 136, 665 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 166, 136, 665 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 166, 136, 665 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 166, 136, 665 is 1.

HCF(166, 136, 665) = 1

HCF of 166, 136, 665 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 166, 136, 665 is 1.

Highest Common Factor of 166,136,665 using Euclid's algorithm

Highest Common Factor of 166,136,665 is 1

Step 1: Since 166 > 136, we apply the division lemma to 166 and 136, to get

166 = 136 x 1 + 30

Step 2: Since the reminder 136 ≠ 0, we apply division lemma to 30 and 136, to get

136 = 30 x 4 + 16

Step 3: We consider the new divisor 30 and the new remainder 16, and apply the division lemma to get

30 = 16 x 1 + 14

We consider the new divisor 16 and the new remainder 14,and apply the division lemma to get

16 = 14 x 1 + 2

We consider the new divisor 14 and the new remainder 2,and apply the division lemma to get

14 = 2 x 7 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 2, the HCF of 166 and 136 is 2

Notice that 2 = HCF(14,2) = HCF(16,14) = HCF(30,16) = HCF(136,30) = HCF(166,136) .


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

Step 1: Since 665 > 2, we apply the division lemma to 665 and 2, to get

665 = 2 x 332 + 1

Step 2: Since the reminder 2 ≠ 0, we apply division lemma to 1 and 2, 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 2 and 665 is 1

Notice that 1 = HCF(2,1) = HCF(665,2) .

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Frequently Asked Questions on HCF of 166, 136, 665 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 166, 136, 665?

Answer: HCF of 166, 136, 665 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 166, 136, 665 using Euclid's Algorithm?

Answer: For arbitrary numbers 166, 136, 665 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.