Highest Common Factor of 210, 520, 74 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 210, 520, 74 i.e. 2 the largest integer that leaves a remainder zero for all numbers.
HCF of 210, 520, 74 is 2 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 210, 520, 74 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 210, 520, 74 is 2.
HCF(210, 520, 74) = 2
HCF of 210, 520, 74 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 210, 520, 74 is 2.
Highest Common Factor of 210,520,74 is 2
Step 1: Since 520 > 210, we apply the division lemma to 520 and 210, to get
520 = 210 x 2 + 100
Step 2: Since the reminder 210 ≠ 0, we apply division lemma to 100 and 210, to get
210 = 100 x 2 + 10
Step 3: We consider the new divisor 100 and the new remainder 10, and apply the division lemma to get
100 = 10 x 10 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 10, the HCF of 210 and 520 is 10
Notice that 10 = HCF(100,10) = HCF(210,100) = HCF(520,210) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 74 > 10, we apply the division lemma to 74 and 10, to get
74 = 10 x 7 + 4
Step 2: Since the reminder 10 ≠ 0, we apply division lemma to 4 and 10, to get
10 = 4 x 2 + 2
Step 3: We consider the new divisor 4 and the new remainder 2, and apply the division lemma to get
4 = 2 x 2 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 2, the HCF of 10 and 74 is 2
Notice that 2 = HCF(4,2) = HCF(10,4) = HCF(74,10) .
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Frequently Asked Questions on HCF of 210, 520, 74 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 210, 520, 74?
Answer: HCF of 210, 520, 74 is 2 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 210, 520, 74 using Euclid's Algorithm?
Answer: For arbitrary numbers 210, 520, 74 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.