GCF of 13/791, 77/397, 400/441
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 13/791, 77/397, 400/441 i.e 1/19783701 easily. The following is the detailed procedure to determine the greatest common factor of fractions 13/791, 77/397, 400/441.
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 13/791,77/397,400/441?
Given fractions are 13/791,77/397,400/441
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 13/791,77/397,400/441, numerators are 13,77,400
Denominators are 791,397,441
The GCF of 13,77,400 is 1 .
LCM of 791,397,441 is 19783701.
The greatest common factor of 13/791,77/397,400/441 = [GCF of 13,77,400]/[LCM of 791,397,441]= 1/19783701
Therefore, the GCF of 13/791,77/397,400/441 is 1/19783701.
To find the highest common factor of 13,77,400, we have to find the factors of both numbers and list the highest common factor.
The factors of 13 are 1, 13
The factors of 77 are 1, 7, 11, 77
The factors of 400 are 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400
The HCF of 13,77,400 is 1.
Lets's calculate GCF of 13,77,400
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 13,77,400 By Matching Biggest Common Factor Method
Now, list down the factors of 13
:1,13
Now, list down the factors of 77
:1,7,11,77
Now, list down the factors of 400
:1,2,4,5,8,10,16,20,25,40,50,80,100,200,400
Greatest Common Factor
We found the factors 13,77,400 . The biggest common factor number is the GCF number.
So the greatest common factor 13,77,400 is 1.
Lets's calculate LCM of 791,397,441
| 7 | 791, 397, 441 |
| 113, 397, 63 |
∴ So the LCM of the given numbers is 7 x 113 x 397 x 63 = 19783701
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/19783701
Therefore, the GCF of Fractions 13/791,77/397,400/441 is 1/19783701
Least Common Multiple of 791,397,441 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 791,397,441 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(791,397,441) = 1
common factors(in case of two or more numbers have common factors) = 7
GCF(791,397,441) x common factors =1 x 7 = 7
LCM(791,397,441) = ( 791 × 397 × 441 ) / 7
LCM(791,397,441) = 138485907 / 7
LCM(791,397,441) = 19783701
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FAQs on GCF of Fractions of 13/791, 77/397, 400/441
1. What is the HCF of 13,77,400?
The HCF of 13,77,400 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 13/791, 77/397, 400/441?
Answer: GCF of Numerators as per given numbers 13/791, 77/397, 400/441 is
GCF of Numerators i.e. for 13,77,400 is 1
LCM of denominators i.e. for 791,397,441 is 19783701.
Thus, GCF of Fractions is 1/19783701.Finally, GCF of Fractions for 13/791, 77/397, 400/441 is 1/19783701.