Highest Common Factor of 1855, 429 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 1855, 429 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 1855, 429 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 1855, 429 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 1855, 429 is 1.

HCF(1855, 429) = 1

HCF of 1855, 429 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 1855, 429 is 1.

Highest Common Factor of 1855,429 using Euclid's algorithm

Highest Common Factor of 1855,429 is 1

Step 1: Since 1855 > 429, we apply the division lemma to 1855 and 429, to get

1855 = 429 x 4 + 139

Step 2: Since the reminder 429 ≠ 0, we apply division lemma to 139 and 429, to get

429 = 139 x 3 + 12

Step 3: We consider the new divisor 139 and the new remainder 12, and apply the division lemma to get

139 = 12 x 11 + 7

We consider the new divisor 12 and the new remainder 7,and apply the division lemma to get

12 = 7 x 1 + 5

We consider the new divisor 7 and the new remainder 5,and apply the division lemma to get

7 = 5 x 1 + 2

We consider the new divisor 5 and the new remainder 2,and apply the division lemma to get

5 = 2 x 2 + 1

We consider the new divisor 2 and the new remainder 1,and apply the division lemma to get

2 = 1 x 2 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1855 and 429 is 1

Notice that 1 = HCF(2,1) = HCF(5,2) = HCF(7,5) = HCF(12,7) = HCF(139,12) = HCF(429,139) = HCF(1855,429) .

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Frequently Asked Questions on HCF of 1855, 429 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 1855, 429?

Answer: HCF of 1855, 429 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 1855, 429 using Euclid's Algorithm?

Answer: For arbitrary numbers 1855, 429 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.