Highest Common Factor of 930, 690, 20 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 930, 690, 20 i.e. 10 the largest integer that leaves a remainder zero for all numbers.
HCF of 930, 690, 20 is 10 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 930, 690, 20 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 930, 690, 20 is 10.
HCF(930, 690, 20) = 10
HCF of 930, 690, 20 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 930, 690, 20 is 10.
Highest Common Factor of 930,690,20 is 10
Step 1: Since 930 > 690, we apply the division lemma to 930 and 690, to get
930 = 690 x 1 + 240
Step 2: Since the reminder 690 ≠ 0, we apply division lemma to 240 and 690, to get
690 = 240 x 2 + 210
Step 3: We consider the new divisor 240 and the new remainder 210, and apply the division lemma to get
240 = 210 x 1 + 30
We consider the new divisor 210 and the new remainder 30, and apply the division lemma to get
210 = 30 x 7 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 30, the HCF of 930 and 690 is 30
Notice that 30 = HCF(210,30) = HCF(240,210) = HCF(690,240) = HCF(930,690) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 30 > 20, we apply the division lemma to 30 and 20, to get
30 = 20 x 1 + 10
Step 2: Since the reminder 20 ≠ 0, we apply division lemma to 10 and 20, to get
20 = 10 x 2 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 10, the HCF of 30 and 20 is 10
Notice that 10 = HCF(20,10) = HCF(30,20) .
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Frequently Asked Questions on HCF of 930, 690, 20 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 930, 690, 20?
Answer: HCF of 930, 690, 20 is 10 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 930, 690, 20 using Euclid's Algorithm?
Answer: For arbitrary numbers 930, 690, 20 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.