Highest Common Factor of 987, 398, 861, 994 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, 398, 861, 994 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 987, 398, 861, 994 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 987, 398, 861, 994 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, 398, 861, 994 is 1.
HCF(987, 398, 861, 994) = 1
HCF of 987, 398, 861, 994 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, 398, 861, 994 is 1.
Highest Common Factor of 987,398,861,994 is 1
Step 1: Since 987 > 398, we apply the division lemma to 987 and 398, to get
987 = 398 x 2 + 191
Step 2: Since the reminder 398 ≠ 0, we apply division lemma to 191 and 398, to get
398 = 191 x 2 + 16
Step 3: We consider the new divisor 191 and the new remainder 16, and apply the division lemma to get
191 = 16 x 11 + 15
We consider the new divisor 16 and the new remainder 15,and apply the division lemma to get
16 = 15 x 1 + 1
We consider the new divisor 15 and the new remainder 1,and apply the division lemma to get
15 = 1 x 15 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 987 and 398 is 1
Notice that 1 = HCF(15,1) = HCF(16,15) = HCF(191,16) = HCF(398,191) = HCF(987,398) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 861 > 1, we apply the division lemma to 861 and 1, to get
861 = 1 x 861 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 861 is 1
Notice that 1 = HCF(861,1) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 994 > 1, we apply the division lemma to 994 and 1, to get
994 = 1 x 994 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 994 is 1
Notice that 1 = HCF(994,1) .
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Frequently Asked Questions on HCF of 987, 398, 861, 994 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, 398, 861, 994?
Answer: HCF of 987, 398, 861, 994 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 987, 398, 861, 994 using Euclid's Algorithm?
Answer: For arbitrary numbers 987, 398, 861, 994 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.