GCF of 644/790, 938/257
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 644/790, 938/257 i.e 14/203030 easily. The following is the detailed procedure to determine the greatest common factor of fractions 644/790, 938/257.
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 644/790,938/257?
Given fractions are 644/790,938/257
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 644/790,938/257, numerators are 644,938
Denominators are 790,257
The GCF of 644,938 is 14 .
LCM of 790,257 is 203030.
The greatest common factor of 644/790,938/257 = [GCF of 644,938]/[LCM of 790,257]= 14/203030
Therefore, the GCF of 644/790,938/257 is 14/203030.
To find the highest common factor of 644,938, we have to find the factors of both numbers and list the highest common factor.
The factors of 644 are 1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644
The factors of 938 are 1, 2, 7, 14, 67, 134, 469, 938
The HCF of 644,938 is 14.
Lets's calculate GCF of 644,938
| 2 | 644, 938 |
| 7 | 322, 469 |
| 46, 67 |
∴ So the GCF of the given numbers is 2 x 7 = 14
Greatest Common Factor of 644,938 By Matching Biggest Common Factor Method
Now, list down the factors of 644
:1,2,4,7,14,23,28,46,92,161,322,644
Now, list down the factors of 938
:1,2,7,14,67,134,469,938
Greatest Common Factor
We found the factors 644,938 . The biggest common factor number is the GCF number.
So the greatest common factor 644,938 is 14.
Lets's calculate LCM of 790,257
Given numbers has no common factors except 1. So, there LCM is their product i.e 203030
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 14/203030
Therefore, the GCF of Fractions 644/790,938/257 is 14/203030
Least Common Multiple of 790,257 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 790,257 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(790,257) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(790,257) x common factors =1 x 1 = 1
LCM(790,257) = ( 790 × 257 ) / 1
LCM(790,257) = 203030 / 1
LCM(790,257) = 203030
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FAQs on GCF of Fractions of 644/790, 938/257
1. What is the HCF of 644,938?
The HCF of 644,938 is 14
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 644/790, 938/257?
Answer: GCF of Numerators as per given numbers 644/790, 938/257 is
GCF of Numerators i.e. for 644,938 is 14
LCM of denominators i.e. for 790,257 is 203030.
Thus, GCF of Fractions is 14/203030.Finally, GCF of Fractions for 644/790, 938/257 is 14/203030.