Highest Common Factor of 778, 615, 769, 453 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 778, 615, 769, 453 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 778, 615, 769, 453 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 778, 615, 769, 453 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 778, 615, 769, 453 is 1.

HCF(778, 615, 769, 453) = 1

HCF of 778, 615, 769, 453 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 778, 615, 769, 453 is 1.

Highest Common Factor of 778,615,769,453 using Euclid's algorithm

Highest Common Factor of 778,615,769,453 is 1

Step 1: Since 778 > 615, we apply the division lemma to 778 and 615, to get

778 = 615 x 1 + 163

Step 2: Since the reminder 615 ≠ 0, we apply division lemma to 163 and 615, to get

615 = 163 x 3 + 126

Step 3: We consider the new divisor 163 and the new remainder 126, and apply the division lemma to get

163 = 126 x 1 + 37

We consider the new divisor 126 and the new remainder 37,and apply the division lemma to get

126 = 37 x 3 + 15

We consider the new divisor 37 and the new remainder 15,and apply the division lemma to get

37 = 15 x 2 + 7

We consider the new divisor 15 and the new remainder 7,and apply the division lemma to get

15 = 7 x 2 + 1

We consider the new divisor 7 and the new remainder 1,and apply the division lemma to get

7 = 1 x 7 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 778 and 615 is 1

Notice that 1 = HCF(7,1) = HCF(15,7) = HCF(37,15) = HCF(126,37) = HCF(163,126) = HCF(615,163) = HCF(778,615) .


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

Step 1: Since 769 > 1, we apply the division lemma to 769 and 1, to get

769 = 1 x 769 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 769 is 1

Notice that 1 = HCF(769,1) .


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

Step 1: Since 453 > 1, we apply the division lemma to 453 and 1, to get

453 = 1 x 453 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 453 is 1

Notice that 1 = HCF(453,1) .

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Frequently Asked Questions on HCF of 778, 615, 769, 453 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 778, 615, 769, 453?

Answer: HCF of 778, 615, 769, 453 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 778, 615, 769, 453 using Euclid's Algorithm?

Answer: For arbitrary numbers 778, 615, 769, 453 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.