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 254, 456, 678 i.e. 2 the largest integer that leaves a remainder zero for all numbers.
HCF of 254, 456, 678 is 2 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 254, 456, 678 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 254, 456, 678 is 2.
HCF(254, 456, 678) = 2
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 254, 456, 678 is 2.
Step 1: Since 456 > 254, we apply the division lemma to 456 and 254, to get
456 = 254 x 1 + 202
Step 2: Since the reminder 254 ≠ 0, we apply division lemma to 202 and 254, to get
254 = 202 x 1 + 52
Step 3: We consider the new divisor 202 and the new remainder 52, and apply the division lemma to get
202 = 52 x 3 + 46
We consider the new divisor 52 and the new remainder 46,and apply the division lemma to get
52 = 46 x 1 + 6
We consider the new divisor 46 and the new remainder 6,and apply the division lemma to get
46 = 6 x 7 + 4
We consider the new divisor 6 and the new remainder 4,and apply the division lemma to get
6 = 4 x 1 + 2
We consider the new divisor 4 and the new remainder 2,and apply the division lemma to get
4 = 2 x 2 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 2, the HCF of 254 and 456 is 2
Notice that 2 = HCF(4,2) = HCF(6,4) = HCF(46,6) = HCF(52,46) = HCF(202,52) = HCF(254,202) = HCF(456,254) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 678 > 2, we apply the division lemma to 678 and 2, to get
678 = 2 x 339 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 2, the HCF of 2 and 678 is 2
Notice that 2 = HCF(678,2) .
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 254, 456, 678?
Answer: HCF of 254, 456, 678 is 2 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 254, 456, 678 using Euclid's Algorithm?
Answer: For arbitrary numbers 254, 456, 678 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.