GCF of 540/91, 720/791
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 540/91, 720/791 i.e 180/10283 easily. The following is the detailed procedure to determine the greatest common factor of fractions 540/91, 720/791.
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 540/91,720/791?
Given fractions are 540/91,720/791
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 540/91,720/791, numerators are 540,720
Denominators are 91,791
The GCF of 540,720 is 180 .
LCM of 91,791 is 10283.
The greatest common factor of 540/91,720/791 = [GCF of 540,720]/[LCM of 91,791]= 180/10283
Therefore, the GCF of 540/91,720/791 is 180/10283.
To find the highest common factor of 540,720, we have to find the factors of both numbers and list the highest common factor.
The factors of 540 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540
The factors of 720 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720
The HCF of 540,720 is 180.
Lets's calculate GCF of 540,720
| 2 | 540, 720 |
| 2 | 270, 360 |
| 3 | 135, 180 |
| 3 | 45, 60 |
| 5 | 15, 20 |
| 3, 4 |
∴ So the GCF of the given numbers is 2 x 2 x 3 x 3 x 5 = 180
Greatest Common Factor of 540,720 By Matching Biggest Common Factor Method
Now, list down the factors of 540
:1,2,3,4,5,6,9,10,12,15,18,20,27,30,36,45,54,60,90,108,135,180,270,540
Now, list down the factors of 720
:1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,36,40,45,48,60,72,80,90,120,144,180,240,360,720
Greatest Common Factor
We found the factors 540,720 . The biggest common factor number is the GCF number.
So the greatest common factor 540,720 is 180.
Lets's calculate LCM of 91,791
| 7 | 91, 791 |
| 13, 113 |
∴ So the LCM of the given numbers is 7 x 13 x 113 = 10283
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 180/10283
Therefore, the GCF of Fractions 540/91,720/791 is 180/10283
Least Common Multiple of 91,791 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 91,791 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(91,791) = 7
common factors(in case of two or more numbers have common factors) = 1
GCF(91,791) x common factors =7 x 1 = 7
LCM(91,791) = ( 91 × 791 ) / 7
LCM(91,791) = 71981 / 7
LCM(91,791) = 10283
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FAQs on GCF of Fractions of 540/91, 720/791
1. What is the HCF of 540,720?
The HCF of 540,720 is 180
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 540/91, 720/791?
Answer: GCF of Numerators as per given numbers 540/91, 720/791 is
GCF of Numerators i.e. for 540,720 is 180
LCM of denominators i.e. for 91,791 is 10283.
Thus, GCF of Fractions is 180/10283.Finally, GCF of Fractions for 540/91, 720/791 is 180/10283.