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 60, 408, 945 i.e. 3 the largest integer that leaves a remainder zero for all numbers.
HCF of 60, 408, 945 is 3 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 60, 408, 945 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 60, 408, 945 is 3.
HCF(60, 408, 945) = 3
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 60, 408, 945 is 3.
Step 1: Since 408 > 60, we apply the division lemma to 408 and 60, to get
408 = 60 x 6 + 48
Step 2: Since the reminder 60 ≠ 0, we apply division lemma to 48 and 60, to get
60 = 48 x 1 + 12
Step 3: We consider the new divisor 48 and the new remainder 12, and apply the division lemma to get
48 = 12 x 4 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 12, the HCF of 60 and 408 is 12
Notice that 12 = HCF(48,12) = HCF(60,48) = HCF(408,60) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 945 > 12, we apply the division lemma to 945 and 12, to get
945 = 12 x 78 + 9
Step 2: Since the reminder 12 ≠ 0, we apply division lemma to 9 and 12, to get
12 = 9 x 1 + 3
Step 3: We consider the new divisor 9 and the new remainder 3, and apply the division lemma to get
9 = 3 x 3 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 3, the HCF of 12 and 945 is 3
Notice that 3 = HCF(9,3) = HCF(12,9) = HCF(945,12) .
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 60, 408, 945?
Answer: HCF of 60, 408, 945 is 3 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 60, 408, 945 using Euclid's Algorithm?
Answer: For arbitrary numbers 60, 408, 945 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.