Highest Common Factor of 87, 43, 255, 861 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 87, 43, 255, 861 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 87, 43, 255, 861 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 87, 43, 255, 861 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 87, 43, 255, 861 is 1.

HCF(87, 43, 255, 861) = 1

HCF of 87, 43, 255, 861 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 87, 43, 255, 861 is 1.

Highest Common Factor of 87,43,255,861 using Euclid's algorithm

Highest Common Factor of 87,43,255,861 is 1

Step 1: Since 87 > 43, we apply the division lemma to 87 and 43, to get

87 = 43 x 2 + 1

Step 2: Since the reminder 43 ≠ 0, we apply division lemma to 1 and 43, to get

43 = 1 x 43 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 87 and 43 is 1

Notice that 1 = HCF(43,1) = HCF(87,43) .


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

Step 1: Since 255 > 1, we apply the division lemma to 255 and 1, to get

255 = 1 x 255 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 255 is 1

Notice that 1 = HCF(255,1) .


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

Step 1: Since 861 > 1, we apply the division lemma to 861 and 1, to get

861 = 1 x 861 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 861 is 1

Notice that 1 = HCF(861,1) .

HCF using Euclid's Algorithm Calculation Examples

Frequently Asked Questions on HCF of 87, 43, 255, 861 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 87, 43, 255, 861?

Answer: HCF of 87, 43, 255, 861 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 87, 43, 255, 861 using Euclid's Algorithm?

Answer: For arbitrary numbers 87, 43, 255, 861 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.