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 1809, 1857 i.e. 3 the largest integer that leaves a remainder zero for all numbers.
HCF of 1809, 1857 is 3 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 1809, 1857 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 1809, 1857 is 3.
HCF(1809, 1857) = 3
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 1809, 1857 is 3.
Step 1: Since 1857 > 1809, we apply the division lemma to 1857 and 1809, to get
1857 = 1809 x 1 + 48
Step 2: Since the reminder 1809 ≠ 0, we apply division lemma to 48 and 1809, to get
1809 = 48 x 37 + 33
Step 3: We consider the new divisor 48 and the new remainder 33, and apply the division lemma to get
48 = 33 x 1 + 15
We consider the new divisor 33 and the new remainder 15,and apply the division lemma to get
33 = 15 x 2 + 3
We consider the new divisor 15 and the new remainder 3,and apply the division lemma to get
15 = 3 x 5 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 3, the HCF of 1809 and 1857 is 3
Notice that 3 = HCF(15,3) = HCF(33,15) = HCF(48,33) = HCF(1809,48) = HCF(1857,1809) .
Here are some samples of HCF using Euclid's Algorithm calculations.
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 1809, 1857?
Answer: HCF of 1809, 1857 is 3 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 1809, 1857 using Euclid's Algorithm?
Answer: For arbitrary numbers 1809, 1857 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.