GCF of 789/56, 561/145
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 789/56, 561/145 i.e 3/8120 easily. The following is the detailed procedure to determine the greatest common factor of fractions 789/56, 561/145.
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 789/56,561/145?
Given fractions are 789/56,561/145
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 789/56,561/145, numerators are 789,561
Denominators are 56,145
The GCF of 789,561 is 3 .
LCM of 56,145 is 8120.
The greatest common factor of 789/56,561/145 = [GCF of 789,561]/[LCM of 56,145]= 3/8120
Therefore, the GCF of 789/56,561/145 is 3/8120.
To find the highest common factor of 789,561, we have to find the factors of both numbers and list the highest common factor.
The factors of 789 are 1, 3, 263, 789
The factors of 561 are 1, 3, 11, 17, 33, 51, 187, 561
The HCF of 789,561 is 3.
Lets's calculate GCF of 789,561
| 3 | 789, 561 |
| 263, 187 |
∴ So the GCF of the given numbers is 3 = 3
Greatest Common Factor of 789,561 By Matching Biggest Common Factor Method
Now, list down the factors of 789
:1,3,263,789
Now, list down the factors of 561
:1,3,11,17,33,51,187,561
Greatest Common Factor
We found the factors 789,561 . The biggest common factor number is the GCF number.
So the greatest common factor 789,561 is 3.
Lets's calculate LCM of 56,145
Given numbers has no common factors except 1. So, there LCM is their product i.e 8120
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/8120
Therefore, the GCF of Fractions 789/56,561/145 is 3/8120
Least Common Multiple of 56,145 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 56,145 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(56,145) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(56,145) x common factors =1 x 1 = 1
LCM(56,145) = ( 56 × 145 ) / 1
LCM(56,145) = 8120 / 1
LCM(56,145) = 8120
GCF of Fractions Calculation Examples
Here are some samples of GCF of Fractions calculations.
FAQs on GCF of Fractions of 789/56, 561/145
1. What is the HCF of 789,561?
The HCF of 789,561 is 3
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 789/56, 561/145?
Answer: GCF of Numerators as per given numbers 789/56, 561/145 is
GCF of Numerators i.e. for 789,561 is 3
LCM of denominators i.e. for 56,145 is 8120.
Thus, GCF of Fractions is 3/8120.Finally, GCF of Fractions for 789/56, 561/145 is 3/8120.