Highest Common Factor of 987, 291, 99 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 987, 291, 99 i.e. 3 the largest integer that leaves a remainder zero for all numbers.
HCF of 987, 291, 99 is 3 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 987, 291, 99 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 987, 291, 99 is 3.
HCF(987, 291, 99) = 3
HCF of 987, 291, 99 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 987, 291, 99 is 3.
Highest Common Factor of 987,291,99 is 3
Step 1: Since 987 > 291, we apply the division lemma to 987 and 291, to get
987 = 291 x 3 + 114
Step 2: Since the reminder 291 ≠ 0, we apply division lemma to 114 and 291, to get
291 = 114 x 2 + 63
Step 3: We consider the new divisor 114 and the new remainder 63, and apply the division lemma to get
114 = 63 x 1 + 51
We consider the new divisor 63 and the new remainder 51,and apply the division lemma to get
63 = 51 x 1 + 12
We consider the new divisor 51 and the new remainder 12,and apply the division lemma to get
51 = 12 x 4 + 3
We consider the new divisor 12 and the new remainder 3,and apply the division lemma to get
12 = 3 x 4 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 3, the HCF of 987 and 291 is 3
Notice that 3 = HCF(12,3) = HCF(51,12) = HCF(63,51) = HCF(114,63) = HCF(291,114) = HCF(987,291) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 99 > 3, we apply the division lemma to 99 and 3, to get
99 = 3 x 33 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 3, the HCF of 3 and 99 is 3
Notice that 3 = HCF(99,3) .
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Frequently Asked Questions on HCF of 987, 291, 99 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 987, 291, 99?
Answer: HCF of 987, 291, 99 is 3 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 987, 291, 99 using Euclid's Algorithm?
Answer: For arbitrary numbers 987, 291, 99 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.