Highest Common Factor of 971, 690 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 971, 690 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 971, 690 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 971, 690 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 971, 690 is 1.
HCF(971, 690) = 1
HCF of 971, 690 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 971, 690 is 1.
Highest Common Factor of 971,690 is 1
Step 1: Since 971 > 690, we apply the division lemma to 971 and 690, to get
971 = 690 x 1 + 281
Step 2: Since the reminder 690 ≠ 0, we apply division lemma to 281 and 690, to get
690 = 281 x 2 + 128
Step 3: We consider the new divisor 281 and the new remainder 128, and apply the division lemma to get
281 = 128 x 2 + 25
We consider the new divisor 128 and the new remainder 25,and apply the division lemma to get
128 = 25 x 5 + 3
We consider the new divisor 25 and the new remainder 3,and apply the division lemma to get
25 = 3 x 8 + 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 971 and 690 is 1
Notice that 1 = HCF(3,1) = HCF(25,3) = HCF(128,25) = HCF(281,128) = HCF(690,281) = HCF(971,690) .
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Frequently Asked Questions on HCF of 971, 690 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 971, 690?
Answer: HCF of 971, 690 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 971, 690 using Euclid's Algorithm?
Answer: For arbitrary numbers 971, 690 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.