Highest Common Factor of 15, 18, 13, 237 using Euclid's algorithm
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 15, 18, 13, 237 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 15, 18, 13, 237 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 15, 18, 13, 237 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 15, 18, 13, 237 is 1.
HCF(15, 18, 13, 237) = 1
HCF of 15, 18, 13, 237 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 15, 18, 13, 237 is 1.
Highest Common Factor of 15,18,13,237 is 1
Step 1: Since 18 > 15, we apply the division lemma to 18 and 15, to get
18 = 15 x 1 + 3
Step 2: Since the reminder 15 ≠ 0, we apply division lemma to 3 and 15, to get
15 = 3 x 5 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 3, the HCF of 15 and 18 is 3
Notice that 3 = HCF(15,3) = HCF(18,15) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 13 > 3, we apply the division lemma to 13 and 3, to get
13 = 3 x 4 + 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 13 is 1
Notice that 1 = HCF(3,1) = HCF(13,3) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 237 > 1, we apply the division lemma to 237 and 1, to get
237 = 1 x 237 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 237 is 1
Notice that 1 = HCF(237,1) .
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Frequently Asked Questions on HCF of 15, 18, 13, 237 using Euclid's Algorithm
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 15, 18, 13, 237?
Answer: HCF of 15, 18, 13, 237 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 15, 18, 13, 237 using Euclid's Algorithm?
Answer: For arbitrary numbers 15, 18, 13, 237 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.
