Highest Common Factor of 161, 805, 261, 202 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 161, 805, 261, 202 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 161, 805, 261, 202 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 161, 805, 261, 202 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 161, 805, 261, 202 is 1.
HCF(161, 805, 261, 202) = 1
HCF of 161, 805, 261, 202 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 161, 805, 261, 202 is 1.
Highest Common Factor of 161,805,261,202 is 1
Step 1: Since 805 > 161, we apply the division lemma to 805 and 161, to get
805 = 161 x 5 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 161, the HCF of 161 and 805 is 161
Notice that 161 = HCF(805,161) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 261 > 161, we apply the division lemma to 261 and 161, to get
261 = 161 x 1 + 100
Step 2: Since the reminder 161 ≠ 0, we apply division lemma to 100 and 161, to get
161 = 100 x 1 + 61
Step 3: We consider the new divisor 100 and the new remainder 61, and apply the division lemma to get
100 = 61 x 1 + 39
We consider the new divisor 61 and the new remainder 39,and apply the division lemma to get
61 = 39 x 1 + 22
We consider the new divisor 39 and the new remainder 22,and apply the division lemma to get
39 = 22 x 1 + 17
We consider the new divisor 22 and the new remainder 17,and apply the division lemma to get
22 = 17 x 1 + 5
We consider the new divisor 17 and the new remainder 5,and apply the division lemma to get
17 = 5 x 3 + 2
We consider the new divisor 5 and the new remainder 2,and apply the division lemma to get
5 = 2 x 2 + 1
We consider the new divisor 2 and the new remainder 1,and apply the division lemma to get
2 = 1 x 2 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 161 and 261 is 1
Notice that 1 = HCF(2,1) = HCF(5,2) = HCF(17,5) = HCF(22,17) = HCF(39,22) = HCF(61,39) = HCF(100,61) = HCF(161,100) = HCF(261,161) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 202 > 1, we apply the division lemma to 202 and 1, to get
202 = 1 x 202 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 202 is 1
Notice that 1 = HCF(202,1) .
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Frequently Asked Questions on HCF of 161, 805, 261, 202 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 161, 805, 261, 202?
Answer: HCF of 161, 805, 261, 202 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 161, 805, 261, 202 using Euclid's Algorithm?
Answer: For arbitrary numbers 161, 805, 261, 202 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.