GCF of 405/858, 581/435
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 405/858, 581/435 i.e 1/124410 easily. The following is the detailed procedure to determine the greatest common factor of fractions 405/858, 581/435.
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 405/858,581/435?
Given fractions are 405/858,581/435
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 405/858,581/435, numerators are 405,581
Denominators are 858,435
The GCF of 405,581 is 1 .
LCM of 858,435 is 124410.
The greatest common factor of 405/858,581/435 = [GCF of 405,581]/[LCM of 858,435]= 1/124410
Therefore, the GCF of 405/858,581/435 is 1/124410.
To find the highest common factor of 405,581, we have to find the factors of both numbers and list the highest common factor.
The factors of 405 are 1, 3, 5, 9, 15, 27, 45, 81, 135, 405
The factors of 581 are 1, 7, 83, 581
The HCF of 405,581 is 1.
Lets's calculate GCF of 405,581
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 405,581 By Matching Biggest Common Factor Method
Now, list down the factors of 405
:1,3,5,9,15,27,45,81,135,405
Now, list down the factors of 581
:1,7,83,581
Greatest Common Factor
We found the factors 405,581 . The biggest common factor number is the GCF number.
So the greatest common factor 405,581 is 1.
Lets's calculate LCM of 858,435
| 3 | 858, 435 |
| 286, 145 |
∴ So the LCM of the given numbers is 3 x 286 x 145 = 124410
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/124410
Therefore, the GCF of Fractions 405/858,581/435 is 1/124410
Least Common Multiple of 858,435 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 858,435 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(858,435) = 3
common factors(in case of two or more numbers have common factors) = 1
GCF(858,435) x common factors =3 x 1 = 3
LCM(858,435) = ( 858 × 435 ) / 3
LCM(858,435) = 373230 / 3
LCM(858,435) = 124410
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FAQs on GCF of Fractions of 405/858, 581/435
1. What is the HCF of 405,581?
The HCF of 405,581 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 405/858, 581/435?
Answer: GCF of Numerators as per given numbers 405/858, 581/435 is
GCF of Numerators i.e. for 405,581 is 1
LCM of denominators i.e. for 858,435 is 124410.
Thus, GCF of Fractions is 1/124410.Finally, GCF of Fractions for 405/858, 581/435 is 1/124410.