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 619, 702, 781, 617 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 619, 702, 781, 617 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 619, 702, 781, 617 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 619, 702, 781, 617 is 1.
HCF(619, 702, 781, 617) = 1
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 619, 702, 781, 617 is 1.
Step 1: Since 702 > 619, we apply the division lemma to 702 and 619, to get
702 = 619 x 1 + 83
Step 2: Since the reminder 619 ≠ 0, we apply division lemma to 83 and 619, to get
619 = 83 x 7 + 38
Step 3: We consider the new divisor 83 and the new remainder 38, and apply the division lemma to get
83 = 38 x 2 + 7
We consider the new divisor 38 and the new remainder 7,and apply the division lemma to get
38 = 7 x 5 + 3
We consider the new divisor 7 and the new remainder 3,and apply the division lemma to get
7 = 3 x 2 + 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 619 and 702 is 1
Notice that 1 = HCF(3,1) = HCF(7,3) = HCF(38,7) = HCF(83,38) = HCF(619,83) = HCF(702,619) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 781 > 1, we apply the division lemma to 781 and 1, to get
781 = 1 x 781 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 781 is 1
Notice that 1 = HCF(781,1) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 617 > 1, we apply the division lemma to 617 and 1, to get
617 = 1 x 617 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 617 is 1
Notice that 1 = HCF(617,1) .
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 619, 702, 781, 617?
Answer: HCF of 619, 702, 781, 617 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 619, 702, 781, 617 using Euclid's Algorithm?
Answer: For arbitrary numbers 619, 702, 781, 617 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.