GCF of 20/572, 58/458, 421/720
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 20/572, 58/458, 421/720 i.e 1/23577840 easily. The following is the detailed procedure to determine the greatest common factor of fractions 20/572, 58/458, 421/720.
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 20/572,58/458,421/720?
Given fractions are 20/572,58/458,421/720
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 20/572,58/458,421/720, numerators are 20,58,421
Denominators are 572,458,720
The GCF of 20,58,421 is 1 .
LCM of 572,458,720 is 23577840.
The greatest common factor of 20/572,58/458,421/720 = [GCF of 20,58,421]/[LCM of 572,458,720]= 1/23577840
Therefore, the GCF of 20/572,58/458,421/720 is 1/23577840.
To find the highest common factor of 20,58,421, we have to find the factors of both numbers and list the highest common factor.
The factors of 20 are 1, 2, 4, 5, 10, 20
The factors of 58 are 1, 2, 29, 58
The factors of 421 are 1, 421
The HCF of 20,58,421 is 1.
Lets's calculate GCF of 20,58,421
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 20,58,421 By Matching Biggest Common Factor Method
Now, list down the factors of 20
:1,2,4,5,10,20
Now, list down the factors of 58
:1,2,29,58
Now, list down the factors of 421
:1,421
Greatest Common Factor
We found the factors 20,58,421 . The biggest common factor number is the GCF number.
So the greatest common factor 20,58,421 is 1.
Lets's calculate LCM of 572,458,720
| 2 | 572, 458, 720 |
| 2 | 286, 229, 360 |
| 143, 229, 180 |
∴ So the LCM of the given numbers is 2 x 2 x 143 x 229 x 180 = 23577840
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/23577840
Therefore, the GCF of Fractions 20/572,58/458,421/720 is 1/23577840
Least Common Multiple of 572,458,720 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 572,458,720 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(572,458,720) = 2
common factors(in case of two or more numbers have common factors) = 4
GCF(572,458,720) x common factors =2 x 4 = 8
LCM(572,458,720) = ( 572 × 458 × 720 ) / 8
LCM(572,458,720) = 188622720 / 8
LCM(572,458,720) = 23577840
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FAQs on GCF of Fractions of 20/572, 58/458, 421/720
1. What is the HCF of 20,58,421?
The HCF of 20,58,421 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 20/572, 58/458, 421/720?
Answer: GCF of Numerators as per given numbers 20/572, 58/458, 421/720 is
GCF of Numerators i.e. for 20,58,421 is 1
LCM of denominators i.e. for 572,458,720 is 23577840.
Thus, GCF of Fractions is 1/23577840.Finally, GCF of Fractions for 20/572, 58/458, 421/720 is 1/23577840.