GCF of 157/90, 779/75, 728/19
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 157/90, 779/75, 728/19 i.e 1/8550 easily. The following is the detailed procedure to determine the greatest common factor of fractions 157/90, 779/75, 728/19.
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 157/90,779/75,728/19?
Given fractions are 157/90,779/75,728/19
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 157/90,779/75,728/19, numerators are 157,779,728
Denominators are 90,75,19
The GCF of 157,779,728 is 1 .
LCM of 90,75,19 is 8550.
The greatest common factor of 157/90,779/75,728/19 = [GCF of 157,779,728]/[LCM of 90,75,19]= 1/8550
Therefore, the GCF of 157/90,779/75,728/19 is 1/8550.
To find the highest common factor of 157,779,728, we have to find the factors of both numbers and list the highest common factor.
The factors of 157 are 1, 157
The factors of 779 are 1, 19, 41, 779
The factors of 728 are 1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728
The HCF of 157,779,728 is 1.
Lets's calculate GCF of 157,779,728
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 157,779,728 By Matching Biggest Common Factor Method
Now, list down the factors of 157
:1,157
Now, list down the factors of 779
:1,19,41,779
Now, list down the factors of 728
:1,2,4,7,8,13,14,26,28,52,56,91,104,182,364,728
Greatest Common Factor
We found the factors 157,779,728 . The biggest common factor number is the GCF number.
So the greatest common factor 157,779,728 is 1.
Lets's calculate LCM of 90,75,19
| 3 | 90, 75, 19 |
| 5 | 30, 25, 19 |
| 6, 5, 19 |
∴ So the LCM of the given numbers is 3 x 5 x 6 x 5 x 19 = 8550
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/8550
Therefore, the GCF of Fractions 157/90,779/75,728/19 is 1/8550
Least Common Multiple of 90,75,19 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 90,75,19 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(90,75,19) = 1
common factors(in case of two or more numbers have common factors) = 15
GCF(90,75,19) x common factors =1 x 15 = 15
LCM(90,75,19) = ( 90 × 75 × 19 ) / 15
LCM(90,75,19) = 128250 / 15
LCM(90,75,19) = 8550
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FAQs on GCF of Fractions of 157/90, 779/75, 728/19
1. What is the HCF of 157,779,728?
The HCF of 157,779,728 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 157/90, 779/75, 728/19?
Answer: GCF of Numerators as per given numbers 157/90, 779/75, 728/19 is
GCF of Numerators i.e. for 157,779,728 is 1
LCM of denominators i.e. for 90,75,19 is 8550.
Thus, GCF of Fractions is 1/8550.Finally, GCF of Fractions for 157/90, 779/75, 728/19 is 1/8550.