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 812, 512, 905 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 812, 512, 905 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 812, 512, 905 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 812, 512, 905 is 1.
HCF(812, 512, 905) = 1
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 812, 512, 905 is 1.
Step 1: Since 812 > 512, we apply the division lemma to 812 and 512, to get
812 = 512 x 1 + 300
Step 2: Since the reminder 512 ≠ 0, we apply division lemma to 300 and 512, to get
512 = 300 x 1 + 212
Step 3: We consider the new divisor 300 and the new remainder 212, and apply the division lemma to get
300 = 212 x 1 + 88
We consider the new divisor 212 and the new remainder 88,and apply the division lemma to get
212 = 88 x 2 + 36
We consider the new divisor 88 and the new remainder 36,and apply the division lemma to get
88 = 36 x 2 + 16
We consider the new divisor 36 and the new remainder 16,and apply the division lemma to get
36 = 16 x 2 + 4
We consider the new divisor 16 and the new remainder 4,and apply the division lemma to get
16 = 4 x 4 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 4, the HCF of 812 and 512 is 4
Notice that 4 = HCF(16,4) = HCF(36,16) = HCF(88,36) = HCF(212,88) = HCF(300,212) = HCF(512,300) = HCF(812,512) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 905 > 4, we apply the division lemma to 905 and 4, to get
905 = 4 x 226 + 1
Step 2: Since the reminder 4 ≠ 0, we apply division lemma to 1 and 4, to get
4 = 1 x 4 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 4 and 905 is 1
Notice that 1 = HCF(4,1) = HCF(905,4) .
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 812, 512, 905?
Answer: HCF of 812, 512, 905 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 812, 512, 905 using Euclid's Algorithm?
Answer: For arbitrary numbers 812, 512, 905 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.