GCF of 781/456, 641/243
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 781/456, 641/243 i.e 1/36936 easily. The following is the detailed procedure to determine the greatest common factor of fractions 781/456, 641/243.
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 781/456,641/243?
Given fractions are 781/456,641/243
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 781/456,641/243, numerators are 781,641
Denominators are 456,243
The GCF of 781,641 is 1 .
LCM of 456,243 is 36936.
The greatest common factor of 781/456,641/243 = [GCF of 781,641]/[LCM of 456,243]= 1/36936
Therefore, the GCF of 781/456,641/243 is 1/36936.
To find the highest common factor of 781,641, we have to find the factors of both numbers and list the highest common factor.
The factors of 781 are 1, 11, 71, 781
The factors of 641 are 1, 641
The HCF of 781,641 is 1.
Lets's calculate GCF of 781,641
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 781,641 By Matching Biggest Common Factor Method
Now, list down the factors of 781
:1,11,71,781
Now, list down the factors of 641
:1,641
Greatest Common Factor
We found the factors 781,641 . The biggest common factor number is the GCF number.
So the greatest common factor 781,641 is 1.
Lets's calculate LCM of 456,243
| 3 | 456, 243 |
| 152, 81 |
∴ So the LCM of the given numbers is 3 x 152 x 81 = 36936
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/36936
Therefore, the GCF of Fractions 781/456,641/243 is 1/36936
Least Common Multiple of 456,243 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 456,243 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(456,243) = 3
common factors(in case of two or more numbers have common factors) = 1
GCF(456,243) x common factors =3 x 1 = 3
LCM(456,243) = ( 456 × 243 ) / 3
LCM(456,243) = 110808 / 3
LCM(456,243) = 36936
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FAQs on GCF of Fractions of 781/456, 641/243
1. What is the HCF of 781,641?
The HCF of 781,641 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 781/456, 641/243?
Answer: GCF of Numerators as per given numbers 781/456, 641/243 is
GCF of Numerators i.e. for 781,641 is 1
LCM of denominators i.e. for 456,243 is 36936.
Thus, GCF of Fractions is 1/36936.Finally, GCF of Fractions for 781/456, 641/243 is 1/36936.