Highest Common Factor of 66, 825, 169 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 66, 825, 169 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 66, 825, 169 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 66, 825, 169 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 66, 825, 169 is 1.

HCF(66, 825, 169) = 1

HCF of 66, 825, 169 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 66, 825, 169 is 1.

Highest Common Factor of 66,825,169 using Euclid's algorithm

Highest Common Factor of 66,825,169 is 1

Step 1: Since 825 > 66, we apply the division lemma to 825 and 66, to get

825 = 66 x 12 + 33

Step 2: Since the reminder 66 ≠ 0, we apply division lemma to 33 and 66, to get

66 = 33 x 2 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 33, the HCF of 66 and 825 is 33

Notice that 33 = HCF(66,33) = HCF(825,66) .


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

Step 1: Since 169 > 33, we apply the division lemma to 169 and 33, to get

169 = 33 x 5 + 4

Step 2: Since the reminder 33 ≠ 0, we apply division lemma to 4 and 33, to get

33 = 4 x 8 + 1

Step 3: We consider the new divisor 4 and the new remainder 1, and apply the division lemma to get

4 = 1 x 4 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 33 and 169 is 1

Notice that 1 = HCF(4,1) = HCF(33,4) = HCF(169,33) .

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Frequently Asked Questions on HCF of 66, 825, 169 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 66, 825, 169?

Answer: HCF of 66, 825, 169 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 66, 825, 169 using Euclid's Algorithm?

Answer: For arbitrary numbers 66, 825, 169 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.