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 856, 494, 780, 290 i.e. 2 the largest integer that leaves a remainder zero for all numbers.
HCF of 856, 494, 780, 290 is 2 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 856, 494, 780, 290 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 856, 494, 780, 290 is 2.
HCF(856, 494, 780, 290) = 2
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 856, 494, 780, 290 is 2.
Step 1: Since 856 > 494, we apply the division lemma to 856 and 494, to get
856 = 494 x 1 + 362
Step 2: Since the reminder 494 ≠ 0, we apply division lemma to 362 and 494, to get
494 = 362 x 1 + 132
Step 3: We consider the new divisor 362 and the new remainder 132, and apply the division lemma to get
362 = 132 x 2 + 98
We consider the new divisor 132 and the new remainder 98,and apply the division lemma to get
132 = 98 x 1 + 34
We consider the new divisor 98 and the new remainder 34,and apply the division lemma to get
98 = 34 x 2 + 30
We consider the new divisor 34 and the new remainder 30,and apply the division lemma to get
34 = 30 x 1 + 4
We consider the new divisor 30 and the new remainder 4,and apply the division lemma to get
30 = 4 x 7 + 2
We consider the new divisor 4 and the new remainder 2,and apply the division lemma to get
4 = 2 x 2 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 2, the HCF of 856 and 494 is 2
Notice that 2 = HCF(4,2) = HCF(30,4) = HCF(34,30) = HCF(98,34) = HCF(132,98) = HCF(362,132) = HCF(494,362) = HCF(856,494) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 780 > 2, we apply the division lemma to 780 and 2, to get
780 = 2 x 390 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 2, the HCF of 2 and 780 is 2
Notice that 2 = HCF(780,2) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 290 > 2, we apply the division lemma to 290 and 2, to get
290 = 2 x 145 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 2, the HCF of 2 and 290 is 2
Notice that 2 = HCF(290,2) .
Here are some samples of HCF using Euclid's Algorithm calculations.
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 856, 494, 780, 290?
Answer: HCF of 856, 494, 780, 290 is 2 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 856, 494, 780, 290 using Euclid's Algorithm?
Answer: For arbitrary numbers 856, 494, 780, 290 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.