GCF of 509/805, 420/717
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 509/805, 420/717 i.e 1/577185 easily. The following is the detailed procedure to determine the greatest common factor of fractions 509/805, 420/717.
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 509/805,420/717?
Given fractions are 509/805,420/717
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 509/805,420/717, numerators are 509,420
Denominators are 805,717
The GCF of 509,420 is 1 .
LCM of 805,717 is 577185.
The greatest common factor of 509/805,420/717 = [GCF of 509,420]/[LCM of 805,717]= 1/577185
Therefore, the GCF of 509/805,420/717 is 1/577185.
To find the highest common factor of 509,420, we have to find the factors of both numbers and list the highest common factor.
The factors of 509 are 1, 509
The factors of 420 are 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
The HCF of 509,420 is 1.
Lets's calculate GCF of 509,420
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 509,420 By Matching Biggest Common Factor Method
Now, list down the factors of 509
:1,509
Now, list down the factors of 420
:1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420
Greatest Common Factor
We found the factors 509,420 . The biggest common factor number is the GCF number.
So the greatest common factor 509,420 is 1.
Lets's calculate LCM of 805,717
Given numbers has no common factors except 1. So, there LCM is their product i.e 577185
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/577185
Therefore, the GCF of Fractions 509/805,420/717 is 1/577185
Least Common Multiple of 805,717 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 805,717 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(805,717) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(805,717) x common factors =1 x 1 = 1
LCM(805,717) = ( 805 × 717 ) / 1
LCM(805,717) = 577185 / 1
LCM(805,717) = 577185
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FAQs on GCF of Fractions of 509/805, 420/717
1. What is the HCF of 509,420?
The HCF of 509,420 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 509/805, 420/717?
Answer: GCF of Numerators as per given numbers 509/805, 420/717 is
GCF of Numerators i.e. for 509,420 is 1
LCM of denominators i.e. for 805,717 is 577185.
Thus, GCF of Fractions is 1/577185.Finally, GCF of Fractions for 509/805, 420/717 is 1/577185.