Highest Common Factor of 330, 645 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 330, 645 i.e. 15 the largest integer that leaves a remainder zero for all numbers.
HCF of 330, 645 is 15 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 330, 645 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 330, 645 is 15.
HCF(330, 645) = 15
HCF of 330, 645 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 330, 645 is 15.
Highest Common Factor of 330,645 is 15
Step 1: Since 645 > 330, we apply the division lemma to 645 and 330, to get
645 = 330 x 1 + 315
Step 2: Since the reminder 330 ≠ 0, we apply division lemma to 315 and 330, to get
330 = 315 x 1 + 15
Step 3: We consider the new divisor 315 and the new remainder 15, and apply the division lemma to get
315 = 15 x 21 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 15, the HCF of 330 and 645 is 15
Notice that 15 = HCF(315,15) = HCF(330,315) = HCF(645,330) .
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Frequently Asked Questions on HCF of 330, 645 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 330, 645?
Answer: HCF of 330, 645 is 15 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 330, 645 using Euclid's Algorithm?
Answer: For arbitrary numbers 330, 645 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.