GCF of 491/75, 643/170
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 491/75, 643/170 i.e 1/2550 easily. The following is the detailed procedure to determine the greatest common factor of fractions 491/75, 643/170.
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 491/75,643/170?
Given fractions are 491/75,643/170
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 491/75,643/170, numerators are 491,643
Denominators are 75,170
The GCF of 491,643 is 1 .
LCM of 75,170 is 2550.
The greatest common factor of 491/75,643/170 = [GCF of 491,643]/[LCM of 75,170]= 1/2550
Therefore, the GCF of 491/75,643/170 is 1/2550.
To find the highest common factor of 491,643, we have to find the factors of both numbers and list the highest common factor.
The factors of 491 are 1, 491
The factors of 643 are 1, 643
The HCF of 491,643 is 1.
Lets's calculate GCF of 491,643
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 491,643 By Matching Biggest Common Factor Method
Now, list down the factors of 491
:1,491
Now, list down the factors of 643
:1,643
Greatest Common Factor
We found the factors 491,643 . The biggest common factor number is the GCF number.
So the greatest common factor 491,643 is 1.
Lets's calculate LCM of 75,170
| 5 | 75, 170 |
| 15, 34 |
∴ So the LCM of the given numbers is 5 x 15 x 34 = 2550
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/2550
Therefore, the GCF of Fractions 491/75,643/170 is 1/2550
Least Common Multiple of 75,170 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 75,170 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(75,170) = 5
common factors(in case of two or more numbers have common factors) = 1
GCF(75,170) x common factors =5 x 1 = 5
LCM(75,170) = ( 75 × 170 ) / 5
LCM(75,170) = 12750 / 5
LCM(75,170) = 2550
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FAQs on GCF of Fractions of 491/75, 643/170
1. What is the HCF of 491,643?
The HCF of 491,643 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 491/75, 643/170?
Answer: GCF of Numerators as per given numbers 491/75, 643/170 is
GCF of Numerators i.e. for 491,643 is 1
LCM of denominators i.e. for 75,170 is 2550.
Thus, GCF of Fractions is 1/2550.Finally, GCF of Fractions for 491/75, 643/170 is 1/2550.