GCF of 394/397, 986/878, 245/642
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 394/397, 986/878, 245/642 i.e 1/111889686 easily. The following is the detailed procedure to determine the greatest common factor of fractions 394/397, 986/878, 245/642.
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 394/397,986/878,245/642?
Given fractions are 394/397,986/878,245/642
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 394/397,986/878,245/642, numerators are 394,986,245
Denominators are 397,878,642
The GCF of 394,986,245 is 1 .
LCM of 397,878,642 is 111889686.
The greatest common factor of 394/397,986/878,245/642 = [GCF of 394,986,245]/[LCM of 397,878,642]= 1/111889686
Therefore, the GCF of 394/397,986/878,245/642 is 1/111889686.
To find the highest common factor of 394,986,245, we have to find the factors of both numbers and list the highest common factor.
The factors of 394 are 1, 2, 197, 394
The factors of 986 are 1, 2, 17, 29, 34, 58, 493, 986
The factors of 245 are 1, 5, 7, 35, 49, 245
The HCF of 394,986,245 is 1.
Lets's calculate GCF of 394,986,245
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 394,986,245 By Matching Biggest Common Factor Method
Now, list down the factors of 394
:1,2,197,394
Now, list down the factors of 986
:1,2,17,29,34,58,493,986
Now, list down the factors of 245
:1,5,7,35,49,245
Greatest Common Factor
We found the factors 394,986,245 . The biggest common factor number is the GCF number.
So the greatest common factor 394,986,245 is 1.
Lets's calculate LCM of 397,878,642
| 2 | 397, 878, 642 |
| 397, 439, 321 |
∴ So the LCM of the given numbers is 2 x 397 x 439 x 321 = 111889686
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/111889686
Therefore, the GCF of Fractions 394/397,986/878,245/642 is 1/111889686
Least Common Multiple of 397,878,642 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 397,878,642 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(397,878,642) = 1
common factors(in case of two or more numbers have common factors) = 2
GCF(397,878,642) x common factors =1 x 2 = 2
LCM(397,878,642) = ( 397 × 878 × 642 ) / 2
LCM(397,878,642) = 223779372 / 2
LCM(397,878,642) = 111889686
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FAQs on GCF of Fractions of 394/397, 986/878, 245/642
1. What is the HCF of 394,986,245?
The HCF of 394,986,245 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 394/397, 986/878, 245/642?
Answer: GCF of Numerators as per given numbers 394/397, 986/878, 245/642 is
GCF of Numerators i.e. for 394,986,245 is 1
LCM of denominators i.e. for 397,878,642 is 111889686.
Thus, GCF of Fractions is 1/111889686.Finally, GCF of Fractions for 394/397, 986/878, 245/642 is 1/111889686.