GCF of 778/51, 257/7581
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 778/51, 257/7581 i.e 1/128877 easily. The following is the detailed procedure to determine the greatest common factor of fractions 778/51, 257/7581.
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 778/51,257/7581?
Given fractions are 778/51,257/7581
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 778/51,257/7581, numerators are 778,257
Denominators are 51,7581
The GCF of 778,257 is 1 .
LCM of 51,7581 is 128877.
The greatest common factor of 778/51,257/7581 = [GCF of 778,257]/[LCM of 51,7581]= 1/128877
Therefore, the GCF of 778/51,257/7581 is 1/128877.
To find the highest common factor of 778,257, we have to find the factors of both numbers and list the highest common factor.
The factors of 778 are 1, 2, 389, 778
The factors of 257 are 1, 257
The HCF of 778,257 is 1.
Lets's calculate GCF of 778,257
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 778,257 By Matching Biggest Common Factor Method
Now, list down the factors of 778
:1,2,389,778
Now, list down the factors of 257
:1,257
Greatest Common Factor
We found the factors 778,257 . The biggest common factor number is the GCF number.
So the greatest common factor 778,257 is 1.
Lets's calculate LCM of 51,7581
| 3 | 51, 7581 |
| 17, 2527 |
∴ So the LCM of the given numbers is 3 x 17 x 2527 = 128877
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/128877
Therefore, the GCF of Fractions 778/51,257/7581 is 1/128877
Least Common Multiple of 51,7581 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 51,7581 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(51,7581) = 3
common factors(in case of two or more numbers have common factors) = 1
GCF(51,7581) x common factors =3 x 1 = 3
LCM(51,7581) = ( 51 × 7581 ) / 3
LCM(51,7581) = 386631 / 3
LCM(51,7581) = 128877
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FAQs on GCF of Fractions of 778/51, 257/7581
1. What is the HCF of 778,257?
The HCF of 778,257 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 778/51, 257/7581?
Answer: GCF of Numerators as per given numbers 778/51, 257/7581 is
GCF of Numerators i.e. for 778,257 is 1
LCM of denominators i.e. for 51,7581 is 128877.
Thus, GCF of Fractions is 1/128877.Finally, GCF of Fractions for 778/51, 257/7581 is 1/128877.