GCF of 66/19, 821/42, 559/991
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 66/19, 821/42, 559/991 i.e 1/790818 easily. The following is the detailed procedure to determine the greatest common factor of fractions 66/19, 821/42, 559/991.
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 66/19,821/42,559/991?
Given fractions are 66/19,821/42,559/991
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 66/19,821/42,559/991, numerators are 66,821,559
Denominators are 19,42,991
The GCF of 66,821,559 is 1 .
LCM of 19,42,991 is 790818.
The greatest common factor of 66/19,821/42,559/991 = [GCF of 66,821,559]/[LCM of 19,42,991]= 1/790818
Therefore, the GCF of 66/19,821/42,559/991 is 1/790818.
To find the highest common factor of 66,821,559, we have to find the factors of both numbers and list the highest common factor.
The factors of 66 are 1, 2, 3, 6, 11, 22, 33, 66
The factors of 821 are 1, 821
The factors of 559 are 1, 13, 43, 559
The HCF of 66,821,559 is 1.
Lets's calculate GCF of 66,821,559
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 66,821,559 By Matching Biggest Common Factor Method
Now, list down the factors of 66
:1,2,3,6,11,22,33,66
Now, list down the factors of 821
:1,821
Now, list down the factors of 559
:1,13,43,559
Greatest Common Factor
We found the factors 66,821,559 . The biggest common factor number is the GCF number.
So the greatest common factor 66,821,559 is 1.
Lets's calculate LCM of 19,42,991
Given numbers has no common factors except 1. So, there LCM is their product i.e 790818
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/790818
Therefore, the GCF of Fractions 66/19,821/42,559/991 is 1/790818
Least Common Multiple of 19,42,991 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 19,42,991 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(19,42,991) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(19,42,991) x common factors =1 x 1 = 1
LCM(19,42,991) = ( 19 × 42 × 991 ) / 1
LCM(19,42,991) = 790818 / 1
LCM(19,42,991) = 790818
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FAQs on GCF of Fractions of 66/19, 821/42, 559/991
1. What is the HCF of 66,821,559?
The HCF of 66,821,559 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 66/19, 821/42, 559/991?
Answer: GCF of Numerators as per given numbers 66/19, 821/42, 559/991 is
GCF of Numerators i.e. for 66,821,559 is 1
LCM of denominators i.e. for 19,42,991 is 790818.
Thus, GCF of Fractions is 1/790818.Finally, GCF of Fractions for 66/19, 821/42, 559/991 is 1/790818.