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 865, 3410, 1661 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 865, 3410, 1661 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 865, 3410, 1661 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 865, 3410, 1661 is 1.
HCF(865, 3410, 1661) = 1
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 865, 3410, 1661 is 1.
Step 1: Since 3410 > 865, we apply the division lemma to 3410 and 865, to get
3410 = 865 x 3 + 815
Step 2: Since the reminder 865 ≠ 0, we apply division lemma to 815 and 865, to get
865 = 815 x 1 + 50
Step 3: We consider the new divisor 815 and the new remainder 50, and apply the division lemma to get
815 = 50 x 16 + 15
We consider the new divisor 50 and the new remainder 15,and apply the division lemma to get
50 = 15 x 3 + 5
We consider the new divisor 15 and the new remainder 5,and apply the division lemma to get
15 = 5 x 3 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 5, the HCF of 865 and 3410 is 5
Notice that 5 = HCF(15,5) = HCF(50,15) = HCF(815,50) = HCF(865,815) = HCF(3410,865) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 1661 > 5, we apply the division lemma to 1661 and 5, to get
1661 = 5 x 332 + 1
Step 2: Since the reminder 5 ≠ 0, we apply division lemma to 1 and 5, to get
5 = 1 x 5 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 5 and 1661 is 1
Notice that 1 = HCF(5,1) = HCF(1661,5) .
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 865, 3410, 1661?
Answer: HCF of 865, 3410, 1661 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 865, 3410, 1661 using Euclid's Algorithm?
Answer: For arbitrary numbers 865, 3410, 1661 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.