Highest Common Factor of 7980, 661 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 7980, 661 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 7980, 661 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 7980, 661 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 7980, 661 is 1.
HCF(7980, 661) = 1
HCF of 7980, 661 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 7980, 661 is 1.
Highest Common Factor of 7980,661 is 1
Step 1: Since 7980 > 661, we apply the division lemma to 7980 and 661, to get
7980 = 661 x 12 + 48
Step 2: Since the reminder 661 ≠ 0, we apply division lemma to 48 and 661, to get
661 = 48 x 13 + 37
Step 3: We consider the new divisor 48 and the new remainder 37, and apply the division lemma to get
48 = 37 x 1 + 11
We consider the new divisor 37 and the new remainder 11,and apply the division lemma to get
37 = 11 x 3 + 4
We consider the new divisor 11 and the new remainder 4,and apply the division lemma to get
11 = 4 x 2 + 3
We consider the new divisor 4 and the new remainder 3,and apply the division lemma to get
4 = 3 x 1 + 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 7980 and 661 is 1
Notice that 1 = HCF(3,1) = HCF(4,3) = HCF(11,4) = HCF(37,11) = HCF(48,37) = HCF(661,48) = HCF(7980,661) .
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Frequently Asked Questions on HCF of 7980, 661 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 7980, 661?
Answer: HCF of 7980, 661 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 7980, 661 using Euclid's Algorithm?
Answer: For arbitrary numbers 7980, 661 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.