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 285, 431, 624 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 285, 431, 624 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 285, 431, 624 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 285, 431, 624 is 1.
HCF(285, 431, 624) = 1
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 285, 431, 624 is 1.
Step 1: Since 431 > 285, we apply the division lemma to 431 and 285, to get
431 = 285 x 1 + 146
Step 2: Since the reminder 285 ≠ 0, we apply division lemma to 146 and 285, to get
285 = 146 x 1 + 139
Step 3: We consider the new divisor 146 and the new remainder 139, and apply the division lemma to get
146 = 139 x 1 + 7
We consider the new divisor 139 and the new remainder 7,and apply the division lemma to get
139 = 7 x 19 + 6
We consider the new divisor 7 and the new remainder 6,and apply the division lemma to get
7 = 6 x 1 + 1
We consider the new divisor 6 and the new remainder 1,and apply the division lemma to get
6 = 1 x 6 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 285 and 431 is 1
Notice that 1 = HCF(6,1) = HCF(7,6) = HCF(139,7) = HCF(146,139) = HCF(285,146) = HCF(431,285) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 624 > 1, we apply the division lemma to 624 and 1, to get
624 = 1 x 624 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 624 is 1
Notice that 1 = HCF(624,1) .
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 285, 431, 624?
Answer: HCF of 285, 431, 624 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 285, 431, 624 using Euclid's Algorithm?
Answer: For arbitrary numbers 285, 431, 624 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.