GCF of 257/573, 161/457
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 257/573, 161/457 i.e 1/261861 easily. The following is the detailed procedure to determine the greatest common factor of fractions 257/573, 161/457.
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 257/573,161/457?
Given fractions are 257/573,161/457
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 257/573,161/457, numerators are 257,161
Denominators are 573,457
The GCF of 257,161 is 1 .
LCM of 573,457 is 261861.
The greatest common factor of 257/573,161/457 = [GCF of 257,161]/[LCM of 573,457]= 1/261861
Therefore, the GCF of 257/573,161/457 is 1/261861.
To find the highest common factor of 257,161, we have to find the factors of both numbers and list the highest common factor.
The factors of 257 are 1, 257
The factors of 161 are 1, 7, 23, 161
The HCF of 257,161 is 1.
Lets's calculate GCF of 257,161
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 257,161 By Matching Biggest Common Factor Method
Now, list down the factors of 257
:1,257
Now, list down the factors of 161
:1,7,23,161
Greatest Common Factor
We found the factors 257,161 . The biggest common factor number is the GCF number.
So the greatest common factor 257,161 is 1.
Lets's calculate LCM of 573,457
Given numbers has no common factors except 1. So, there LCM is their product i.e 261861
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/261861
Therefore, the GCF of Fractions 257/573,161/457 is 1/261861
Least Common Multiple of 573,457 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 573,457 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(573,457) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(573,457) x common factors =1 x 1 = 1
LCM(573,457) = ( 573 × 457 ) / 1
LCM(573,457) = 261861 / 1
LCM(573,457) = 261861
GCF of Fractions Calculation Examples
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FAQs on GCF of Fractions of 257/573, 161/457
1. What is the HCF of 257,161?
The HCF of 257,161 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 257/573, 161/457?
Answer: GCF of Numerators as per given numbers 257/573, 161/457 is
GCF of Numerators i.e. for 257,161 is 1
LCM of denominators i.e. for 573,457 is 261861.
Thus, GCF of Fractions is 1/261861.Finally, GCF of Fractions for 257/573, 161/457 is 1/261861.