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 921, 318, 433 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 921, 318, 433 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 921, 318, 433 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 921, 318, 433 is 1.
HCF(921, 318, 433) = 1
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 921, 318, 433 is 1.
Step 1: Since 921 > 318, we apply the division lemma to 921 and 318, to get
921 = 318 x 2 + 285
Step 2: Since the reminder 318 ≠ 0, we apply division lemma to 285 and 318, to get
318 = 285 x 1 + 33
Step 3: We consider the new divisor 285 and the new remainder 33, and apply the division lemma to get
285 = 33 x 8 + 21
We consider the new divisor 33 and the new remainder 21,and apply the division lemma to get
33 = 21 x 1 + 12
We consider the new divisor 21 and the new remainder 12,and apply the division lemma to get
21 = 12 x 1 + 9
We consider the new divisor 12 and the new remainder 9,and apply the division lemma to get
12 = 9 x 1 + 3
We consider the new divisor 9 and the new remainder 3,and apply the division lemma to get
9 = 3 x 3 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 3, the HCF of 921 and 318 is 3
Notice that 3 = HCF(9,3) = HCF(12,9) = HCF(21,12) = HCF(33,21) = HCF(285,33) = HCF(318,285) = HCF(921,318) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 433 > 3, we apply the division lemma to 433 and 3, to get
433 = 3 x 144 + 1
Step 2: Since the reminder 3 ≠ 0, we apply division lemma to 1 and 3, to get
3 = 1 x 3 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 3 and 433 is 1
Notice that 1 = HCF(3,1) = HCF(433,3) .
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 921, 318, 433?
Answer: HCF of 921, 318, 433 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 921, 318, 433 using Euclid's Algorithm?
Answer: For arbitrary numbers 921, 318, 433 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.