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 392, 688, 249 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 392, 688, 249 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 392, 688, 249 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 392, 688, 249 is 1.
HCF(392, 688, 249) = 1
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 392, 688, 249 is 1.
Step 1: Since 688 > 392, we apply the division lemma to 688 and 392, to get
688 = 392 x 1 + 296
Step 2: Since the reminder 392 ≠ 0, we apply division lemma to 296 and 392, to get
392 = 296 x 1 + 96
Step 3: We consider the new divisor 296 and the new remainder 96, and apply the division lemma to get
296 = 96 x 3 + 8
We consider the new divisor 96 and the new remainder 8, and apply the division lemma to get
96 = 8 x 12 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 8, the HCF of 392 and 688 is 8
Notice that 8 = HCF(96,8) = HCF(296,96) = HCF(392,296) = HCF(688,392) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 249 > 8, we apply the division lemma to 249 and 8, to get
249 = 8 x 31 + 1
Step 2: Since the reminder 8 ≠ 0, we apply division lemma to 1 and 8, to get
8 = 1 x 8 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 8 and 249 is 1
Notice that 1 = HCF(8,1) = HCF(249,8) .
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 392, 688, 249?
Answer: HCF of 392, 688, 249 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 392, 688, 249 using Euclid's Algorithm?
Answer: For arbitrary numbers 392, 688, 249 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.