GCF of 256/516, 128/777
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 256/516, 128/777 i.e 128/133644 easily. The following is the detailed procedure to determine the greatest common factor of fractions 256/516, 128/777.
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 256/516,128/777?
Given fractions are 256/516,128/777
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 256/516,128/777, numerators are 256,128
Denominators are 516,777
The GCF of 256,128 is 128 .
LCM of 516,777 is 133644.
The greatest common factor of 256/516,128/777 = [GCF of 256,128]/[LCM of 516,777]= 128/133644
Therefore, the GCF of 256/516,128/777 is 128/133644.
To find the highest common factor of 256,128, we have to find the factors of both numbers and list the highest common factor.
The factors of 256 are 1, 2, 4, 8, 16, 32, 64, 128, 256
The factors of 128 are 1, 2, 4, 8, 16, 32, 64, 128
The HCF of 256,128 is 128.
Lets's calculate GCF of 256,128
| 2 | 256, 128 |
| 2 | 128, 64 |
| 2 | 32, 64 |
| 2 | 16, 32 |
| 2 | 8, 16 |
| 2 | 4, 8 |
| 2 | 2, 4 |
| 1, 2 |
∴ So the GCF of the given numbers is 2 x 2 x 2 x 2 x 2 x 2 x 2 = 128
Greatest Common Factor of 256,128 By Matching Biggest Common Factor Method
Now, list down the factors of 256
:1,2,4,8,16,32,64,128,256
Now, list down the factors of 128
:1,2,4,8,16,32,64,128
Greatest Common Factor
We found the factors 256,128 . The biggest common factor number is the GCF number.
So the greatest common factor 256,128 is 128.
Lets's calculate LCM of 516,777
| 3 | 516, 777 |
| 172, 259 |
∴ So the LCM of the given numbers is 3 x 172 x 259 = 133644
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 128/133644
Therefore, the GCF of Fractions 256/516,128/777 is 128/133644
Least Common Multiple of 516,777 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 516,777 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(516,777) = 3
common factors(in case of two or more numbers have common factors) = 1
GCF(516,777) x common factors =3 x 1 = 3
LCM(516,777) = ( 516 × 777 ) / 3
LCM(516,777) = 400932 / 3
LCM(516,777) = 133644
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FAQs on GCF of Fractions of 256/516, 128/777
1. What is the HCF of 256,128?
The HCF of 256,128 is 128
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 256/516, 128/777?
Answer: GCF of Numerators as per given numbers 256/516, 128/777 is
GCF of Numerators i.e. for 256,128 is 128
LCM of denominators i.e. for 516,777 is 133644.
Thus, GCF of Fractions is 128/133644.Finally, GCF of Fractions for 256/516, 128/777 is 128/133644.