GCF of 828/407, 7888/721
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 828/407, 7888/721 i.e 4/293447 easily. The following is the detailed procedure to determine the greatest common factor of fractions 828/407, 7888/721.
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 828/407,7888/721?
Given fractions are 828/407,7888/721
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 828/407,7888/721, numerators are 828,7888
Denominators are 407,721
The GCF of 828,7888 is 4 .
LCM of 407,721 is 293447.
The greatest common factor of 828/407,7888/721 = [GCF of 828,7888]/[LCM of 407,721]= 4/293447
Therefore, the GCF of 828/407,7888/721 is 4/293447.
To find the highest common factor of 828,7888, we have to find the factors of both numbers and list the highest common factor.
The factors of 828 are 1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828
The factors of 7888 are 1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 3944, 7888
The HCF of 828,7888 is 4.
Lets's calculate GCF of 828,7888
| 2 | 828, 7888 |
| 2 | 414, 3944 |
| 207, 1972 |
∴ So the GCF of the given numbers is 2 x 2 = 4
Greatest Common Factor of 828,7888 By Matching Biggest Common Factor Method
Now, list down the factors of 828
:1,2,3,4,6,9,12,18,23,36,46,69,92,138,207,276,414,828
Now, list down the factors of 7888
:1,2,4,8,16,17,29,34,58,68,116,136,232,272,464,493,986,1972,3944,7888
Greatest Common Factor
We found the factors 828,7888 . The biggest common factor number is the GCF number.
So the greatest common factor 828,7888 is 4.
Lets's calculate LCM of 407,721
Given numbers has no common factors except 1. So, there LCM is their product i.e 293447
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 4/293447
Therefore, the GCF of Fractions 828/407,7888/721 is 4/293447
Least Common Multiple of 407,721 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 407,721 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(407,721) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(407,721) x common factors =1 x 1 = 1
LCM(407,721) = ( 407 × 721 ) / 1
LCM(407,721) = 293447 / 1
LCM(407,721) = 293447
GCF of Fractions Calculation Examples
Here are some samples of GCF of Fractions calculations.
FAQs on GCF of Fractions of 828/407, 7888/721
1. What is the HCF of 828,7888?
The HCF of 828,7888 is 4
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 828/407, 7888/721?
Answer: GCF of Numerators as per given numbers 828/407, 7888/721 is
GCF of Numerators i.e. for 828,7888 is 4
LCM of denominators i.e. for 407,721 is 293447.
Thus, GCF of Fractions is 4/293447.Finally, GCF of Fractions for 828/407, 7888/721 is 4/293447.