Highest Common Factor of 615, 703, 845 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 615, 703, 845 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 615, 703, 845 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 615, 703, 845 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 615, 703, 845 is 1.

HCF(615, 703, 845) = 1

HCF of 615, 703, 845 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 615, 703, 845 is 1.

Highest Common Factor of 615,703,845 using Euclid's algorithm

Highest Common Factor of 615,703,845 is 1

Step 1: Since 703 > 615, we apply the division lemma to 703 and 615, to get

703 = 615 x 1 + 88

Step 2: Since the reminder 615 ≠ 0, we apply division lemma to 88 and 615, to get

615 = 88 x 6 + 87

Step 3: We consider the new divisor 88 and the new remainder 87, and apply the division lemma to get

88 = 87 x 1 + 1

We consider the new divisor 87 and the new remainder 1, and apply the division lemma to get

87 = 1 x 87 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 615 and 703 is 1

Notice that 1 = HCF(87,1) = HCF(88,87) = HCF(615,88) = HCF(703,615) .


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

Step 1: Since 845 > 1, we apply the division lemma to 845 and 1, to get

845 = 1 x 845 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 845 is 1

Notice that 1 = HCF(845,1) .

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Frequently Asked Questions on HCF of 615, 703, 845 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 615, 703, 845?

Answer: HCF of 615, 703, 845 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 615, 703, 845 using Euclid's Algorithm?

Answer: For arbitrary numbers 615, 703, 845 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.