GCF of 247/220, 620/749
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 247/220, 620/749 i.e 1/164780 easily. The following is the detailed procedure to determine the greatest common factor of fractions 247/220, 620/749.
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 247/220,620/749?
Given fractions are 247/220,620/749
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 247/220,620/749, numerators are 247,620
Denominators are 220,749
The GCF of 247,620 is 1 .
LCM of 220,749 is 164780.
The greatest common factor of 247/220,620/749 = [GCF of 247,620]/[LCM of 220,749]= 1/164780
Therefore, the GCF of 247/220,620/749 is 1/164780.
To find the highest common factor of 247,620, we have to find the factors of both numbers and list the highest common factor.
The factors of 247 are 1, 13, 19, 247
The factors of 620 are 1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620
The HCF of 247,620 is 1.
Lets's calculate GCF of 247,620
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 247,620 By Matching Biggest Common Factor Method
Now, list down the factors of 247
:1,13,19,247
Now, list down the factors of 620
:1,2,4,5,10,20,31,62,124,155,310,620
Greatest Common Factor
We found the factors 247,620 . The biggest common factor number is the GCF number.
So the greatest common factor 247,620 is 1.
Lets's calculate LCM of 220,749
Given numbers has no common factors except 1. So, there LCM is their product i.e 164780
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/164780
Therefore, the GCF of Fractions 247/220,620/749 is 1/164780
Least Common Multiple of 220,749 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 220,749 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(220,749) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(220,749) x common factors =1 x 1 = 1
LCM(220,749) = ( 220 × 749 ) / 1
LCM(220,749) = 164780 / 1
LCM(220,749) = 164780
GCF of Fractions Calculation Examples
Here are some samples of GCF of Fractions calculations.
FAQs on GCF of Fractions of 247/220, 620/749
1. What is the HCF of 247,620?
The HCF of 247,620 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 247/220, 620/749?
Answer: GCF of Numerators as per given numbers 247/220, 620/749 is
GCF of Numerators i.e. for 247,620 is 1
LCM of denominators i.e. for 220,749 is 164780.
Thus, GCF of Fractions is 1/164780.Finally, GCF of Fractions for 247/220, 620/749 is 1/164780.