Highest Common Factor of 555, 285 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 555, 285 i.e. 15 the largest integer that leaves a remainder zero for all numbers.

HCF of 555, 285 is 15 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 555, 285 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 555, 285 is 15.

HCF(555, 285) = 15

HCF of 555, 285 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 555, 285 is 15.

Highest Common Factor of 555,285 using Euclid's algorithm

Highest Common Factor of 555,285 is 15

Step 1: Since 555 > 285, we apply the division lemma to 555 and 285, to get

555 = 285 x 1 + 270

Step 2: Since the reminder 285 ≠ 0, we apply division lemma to 270 and 285, to get

285 = 270 x 1 + 15

Step 3: We consider the new divisor 270 and the new remainder 15, and apply the division lemma to get

270 = 15 x 18 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 15, the HCF of 555 and 285 is 15

Notice that 15 = HCF(270,15) = HCF(285,270) = HCF(555,285) .

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Frequently Asked Questions on HCF of 555, 285 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 555, 285?

Answer: HCF of 555, 285 is 15 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 555, 285 using Euclid's Algorithm?

Answer: For arbitrary numbers 555, 285 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.