GCF of 720/15, 779/455
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 720/15, 779/455 i.e 1/1365 easily. The following is the detailed procedure to determine the greatest common factor of fractions 720/15, 779/455.
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 720/15,779/455?
Given fractions are 720/15,779/455
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 720/15,779/455, numerators are 720,779
Denominators are 15,455
The GCF of 720,779 is 1 .
LCM of 15,455 is 1365.
The greatest common factor of 720/15,779/455 = [GCF of 720,779]/[LCM of 15,455]= 1/1365
Therefore, the GCF of 720/15,779/455 is 1/1365.
To find the highest common factor of 720,779, we have to find the factors of both numbers and list the highest common factor.
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 factors of 779 are 1, 19, 41, 779
The HCF of 720,779 is 1.
Lets's calculate GCF of 720,779
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 720,779 By Matching Biggest Common Factor Method
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
Now, list down the factors of 779
:1,19,41,779
Greatest Common Factor
We found the factors 720,779 . The biggest common factor number is the GCF number.
So the greatest common factor 720,779 is 1.
Lets's calculate LCM of 15,455
| 5 | 15, 455 |
| 3, 91 |
∴ So the LCM of the given numbers is 5 x 3 x 91 = 1365
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/1365
Therefore, the GCF of Fractions 720/15,779/455 is 1/1365
Least Common Multiple of 15,455 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 15,455 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(15,455) = 5
common factors(in case of two or more numbers have common factors) = 1
GCF(15,455) x common factors =5 x 1 = 5
LCM(15,455) = ( 15 × 455 ) / 5
LCM(15,455) = 6825 / 5
LCM(15,455) = 1365
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FAQs on GCF of Fractions of 720/15, 779/455
1. What is the HCF of 720,779?
The HCF of 720,779 is 1
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 720/15, 779/455?
Answer: GCF of Numerators as per given numbers 720/15, 779/455 is
GCF of Numerators i.e. for 720,779 is 1
LCM of denominators i.e. for 15,455 is 1365.
Thus, GCF of Fractions is 1/1365.Finally, GCF of Fractions for 720/15, 779/455 is 1/1365.