Highest Common Factor of 1689, 6949 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 1689, 6949 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 1689, 6949 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 1689, 6949 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 1689, 6949 is 1.

HCF(1689, 6949) = 1

HCF of 1689, 6949 using Euclid's algorithm

Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.

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Highest common factor (HCF) of 1689, 6949 is 1.

Highest Common Factor of 1689,6949 using Euclid's algorithm

Highest Common Factor of 1689,6949 is 1

Step 1: Since 6949 > 1689, we apply the division lemma to 6949 and 1689, to get

6949 = 1689 x 4 + 193

Step 2: Since the reminder 1689 ≠ 0, we apply division lemma to 193 and 1689, to get

1689 = 193 x 8 + 145

Step 3: We consider the new divisor 193 and the new remainder 145, and apply the division lemma to get

193 = 145 x 1 + 48

We consider the new divisor 145 and the new remainder 48,and apply the division lemma to get

145 = 48 x 3 + 1

We consider the new divisor 48 and the new remainder 1,and apply the division lemma to get

48 = 1 x 48 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1689 and 6949 is 1

Notice that 1 = HCF(48,1) = HCF(145,48) = HCF(193,145) = HCF(1689,193) = HCF(6949,1689) .

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Frequently Asked Questions on HCF of 1689, 6949 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 1689, 6949?

Answer: HCF of 1689, 6949 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 1689, 6949 using Euclid's Algorithm?

Answer: For arbitrary numbers 1689, 6949 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.