Highest Common Factor of 402, 468, 999 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 402, 468, 999 i.e. 3 the largest integer that leaves a remainder zero for all numbers.

HCF of 402, 468, 999 is 3 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 402, 468, 999 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 402, 468, 999 is 3.

HCF(402, 468, 999) = 3

HCF of 402, 468, 999 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 402, 468, 999 is 3.

Highest Common Factor of 402,468,999 using Euclid's algorithm

Highest Common Factor of 402,468,999 is 3

Step 1: Since 468 > 402, we apply the division lemma to 468 and 402, to get

468 = 402 x 1 + 66

Step 2: Since the reminder 402 ≠ 0, we apply division lemma to 66 and 402, to get

402 = 66 x 6 + 6

Step 3: We consider the new divisor 66 and the new remainder 6, and apply the division lemma to get

66 = 6 x 11 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 6, the HCF of 402 and 468 is 6

Notice that 6 = HCF(66,6) = HCF(402,66) = HCF(468,402) .


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

Step 1: Since 999 > 6, we apply the division lemma to 999 and 6, to get

999 = 6 x 166 + 3

Step 2: Since the reminder 6 ≠ 0, we apply division lemma to 3 and 6, to get

6 = 3 x 2 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 3, the HCF of 6 and 999 is 3

Notice that 3 = HCF(6,3) = HCF(999,6) .

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Frequently Asked Questions on HCF of 402, 468, 999 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 402, 468, 999?

Answer: HCF of 402, 468, 999 is 3 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 402, 468, 999 using Euclid's Algorithm?

Answer: For arbitrary numbers 402, 468, 999 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.