GCF of 171/19, 220/621
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 171/19, 220/621 i.e 1/11799 easily. The following is the detailed procedure to determine the greatest common factor of fractions 171/19, 220/621.
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 171/19,220/621?
Given fractions are 171/19,220/621
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 171/19,220/621, numerators are 171,220
Denominators are 19,621
The GCF of 171,220 is 1 .
LCM of 19,621 is 11799.
The greatest common factor of 171/19,220/621 = [GCF of 171,220]/[LCM of 19,621]= 1/11799
Therefore, the GCF of 171/19,220/621 is 1/11799.
To find the highest common factor of 171,220, we have to find the factors of both numbers and list the highest common factor.
The factors of 171 are 1, 3, 9, 19, 57, 171
The factors of 220 are 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220
The HCF of 171,220 is 1.
Lets's calculate GCF of 171,220
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 171,220 By Matching Biggest Common Factor Method
Now, list down the factors of 171
:1,3,9,19,57,171
Now, list down the factors of 220
:1,2,4,5,10,11,20,22,44,55,110,220
Greatest Common Factor
We found the factors 171,220 . The biggest common factor number is the GCF number.
So the greatest common factor 171,220 is 1.
Lets's calculate LCM of 19,621
Given numbers has no common factors except 1. So, there LCM is their product i.e 11799
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/11799
Therefore, the GCF of Fractions 171/19,220/621 is 1/11799
Least Common Multiple of 19,621 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 19,621 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(19,621) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(19,621) x common factors =1 x 1 = 1
LCM(19,621) = ( 19 × 621 ) / 1
LCM(19,621) = 11799 / 1
LCM(19,621) = 11799
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FAQs on GCF of Fractions of 171/19, 220/621
1. What is the HCF of 171,220?
The HCF of 171,220 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 171/19, 220/621?
Answer: GCF of Numerators as per given numbers 171/19, 220/621 is
GCF of Numerators i.e. for 171,220 is 1
LCM of denominators i.e. for 19,621 is 11799.
Thus, GCF of Fractions is 1/11799.Finally, GCF of Fractions for 171/19, 220/621 is 1/11799.