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 855, 315, 601, 923 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 855, 315, 601, 923 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 855, 315, 601, 923 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 855, 315, 601, 923 is 1.
HCF(855, 315, 601, 923) = 1
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 855, 315, 601, 923 is 1.
Step 1: Since 855 > 315, we apply the division lemma to 855 and 315, to get
855 = 315 x 2 + 225
Step 2: Since the reminder 315 ≠ 0, we apply division lemma to 225 and 315, to get
315 = 225 x 1 + 90
Step 3: We consider the new divisor 225 and the new remainder 90, and apply the division lemma to get
225 = 90 x 2 + 45
We consider the new divisor 90 and the new remainder 45, and apply the division lemma to get
90 = 45 x 2 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 45, the HCF of 855 and 315 is 45
Notice that 45 = HCF(90,45) = HCF(225,90) = HCF(315,225) = HCF(855,315) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 601 > 45, we apply the division lemma to 601 and 45, to get
601 = 45 x 13 + 16
Step 2: Since the reminder 45 ≠ 0, we apply division lemma to 16 and 45, to get
45 = 16 x 2 + 13
Step 3: We consider the new divisor 16 and the new remainder 13, and apply the division lemma to get
16 = 13 x 1 + 3
We consider the new divisor 13 and the new remainder 3,and apply the division lemma to get
13 = 3 x 4 + 1
We consider the new divisor 3 and the new remainder 1,and apply the division lemma 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 45 and 601 is 1
Notice that 1 = HCF(3,1) = HCF(13,3) = HCF(16,13) = HCF(45,16) = HCF(601,45) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 923 > 1, we apply the division lemma to 923 and 1, to get
923 = 1 x 923 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 923 is 1
Notice that 1 = HCF(923,1) .
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 855, 315, 601, 923?
Answer: HCF of 855, 315, 601, 923 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 855, 315, 601, 923 using Euclid's Algorithm?
Answer: For arbitrary numbers 855, 315, 601, 923 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.