GCF of 91/385, 665/641, 768/309
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 91/385, 665/641, 768/309 i.e 1/76256565 easily. The following is the detailed procedure to determine the greatest common factor of fractions 91/385, 665/641, 768/309.
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 91/385,665/641,768/309?
Given fractions are 91/385,665/641,768/309
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 91/385,665/641,768/309, numerators are 91,665,768
Denominators are 385,641,309
The GCF of 91,665,768 is 1 .
LCM of 385,641,309 is 76256565.
The greatest common factor of 91/385,665/641,768/309 = [GCF of 91,665,768]/[LCM of 385,641,309]= 1/76256565
Therefore, the GCF of 91/385,665/641,768/309 is 1/76256565.
To find the highest common factor of 91,665,768, we have to find the factors of both numbers and list the highest common factor.
The factors of 91 are 1, 7, 13, 91
The factors of 665 are 1, 5, 7, 19, 35, 95, 133, 665
The factors of 768 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768
The HCF of 91,665,768 is 1.
Lets's calculate GCF of 91,665,768
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 91,665,768 By Matching Biggest Common Factor Method
Now, list down the factors of 91
:1,7,13,91
Now, list down the factors of 665
:1,5,7,19,35,95,133,665
Now, list down the factors of 768
:1,2,3,4,6,8,12,16,24,32,48,64,96,128,192,256,384,768
Greatest Common Factor
We found the factors 91,665,768 . The biggest common factor number is the GCF number.
So the greatest common factor 91,665,768 is 1.
Lets's calculate LCM of 385,641,309
Given numbers has no common factors except 1. So, there LCM is their product i.e 76256565
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/76256565
Therefore, the GCF of Fractions 91/385,665/641,768/309 is 1/76256565
Least Common Multiple of 385,641,309 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 385,641,309 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(385,641,309) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(385,641,309) x common factors =1 x 1 = 1
LCM(385,641,309) = ( 385 × 641 × 309 ) / 1
LCM(385,641,309) = 76256565 / 1
LCM(385,641,309) = 76256565
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FAQs on GCF of Fractions of 91/385, 665/641, 768/309
1. What is the HCF of 91,665,768?
The HCF of 91,665,768 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 91/385, 665/641, 768/309?
Answer: GCF of Numerators as per given numbers 91/385, 665/641, 768/309 is
GCF of Numerators i.e. for 91,665,768 is 1
LCM of denominators i.e. for 385,641,309 is 76256565.
Thus, GCF of Fractions is 1/76256565.Finally, GCF of Fractions for 91/385, 665/641, 768/309 is 1/76256565.