GCF of 845/91, 858/389
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 845/91, 858/389 i.e 13/35399 easily. The following is the detailed procedure to determine the greatest common factor of fractions 845/91, 858/389.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
What is the GCF of 845/91,858/389?
Given fractions are 845/91,858/389
To find the GCF of fractions, we have to find the GCF of numerator numbers and LCM of denominator numbers. Its formula is given by
GCF of Fraction = Greatest Common Factor of Numerator/Least Common Multiple of Denominators
In the fractions 845/91,858/389, numerators are 845,858
Denominators are 91,389
The GCF of 845,858 is 13 .
LCM of 91,389 is 35399.
The greatest common factor of 845/91,858/389 = [GCF of 845,858]/[LCM of 91,389]= 13/35399
Therefore, the GCF of 845/91,858/389 is 13/35399.
To find the highest common factor of 845,858, we have to find the factors of both numbers and list the highest common factor.
The factors of 845 are 1, 5, 13, 65, 169, 845
The factors of 858 are 1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858
The HCF of 845,858 is 13.
Lets's calculate GCF of 845,858
| 13 | 845, 858 |
| 65, 66 |
∴ So the GCF of the given numbers is 13 = 13
Greatest Common Factor of 845,858 By Matching Biggest Common Factor Method
Now, list down the factors of 845
:1,5,13,65,169,845
Now, list down the factors of 858
:1,2,3,6,11,13,22,26,33,39,66,78,143,286,429,858
Greatest Common Factor
We found the factors 845,858 . The biggest common factor number is the GCF number.
So the greatest common factor 845,858 is 13.
Lets's calculate LCM of 91,389
Given numbers has no common factors except 1. So, there LCM is their product i.e 35399
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 13/35399
Therefore, the GCF of Fractions 845/91,858/389 is 13/35399
Least Common Multiple of 91,389 with GCF Formula
The formula of LCM is LCM(a1,a2,a3....,an) = ( a1 × a2 × a3 × .... × an) / GCF(a1,a2,a3....,an) x common factors(if more than 2 numbers have common factors).
We need to calculate greatest common factor of 91,389 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(91,389) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(91,389) x common factors =1 x 1 = 1
LCM(91,389) = ( 91 × 389 ) / 1
LCM(91,389) = 35399 / 1
LCM(91,389) = 35399
GCF of Fractions Calculation Examples
Here are some samples of GCF of Fractions calculations.
FAQs on GCF of Fractions of 845/91, 858/389
1. What is the HCF of 845,858?
The HCF of 845,858 is 13
2. What is the GCF of a fraction?
The GCF of a fraction is defined as the greatest fraction that divides exactly into 2 or more fractions.
3. How to find GCF in Fractions?
Answer: GCF of fractions can be found using the simple formula GCF of Fractions = GCF of Numerators/LCM of Denominators.
4. What is the GCF of Fractions for 845/91, 858/389?
Answer: GCF of Numerators as per given numbers 845/91, 858/389 is
GCF of Numerators i.e. for 845,858 is 13
LCM of denominators i.e. for 91,389 is 35399.
Thus, GCF of Fractions is 13/35399.Finally, GCF of Fractions for 845/91, 858/389 is 13/35399.