GCF of 872/90, 780/13, 393/32
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 872/90, 780/13, 393/32 i.e 1/18720 easily. The following is the detailed procedure to determine the greatest common factor of fractions 872/90, 780/13, 393/32.
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 872/90,780/13,393/32?
Given fractions are 872/90,780/13,393/32
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 872/90,780/13,393/32, numerators are 872,780,393
Denominators are 90,13,32
The GCF of 872,780,393 is 1 .
LCM of 90,13,32 is 18720.
The greatest common factor of 872/90,780/13,393/32 = [GCF of 872,780,393]/[LCM of 90,13,32]= 1/18720
Therefore, the GCF of 872/90,780/13,393/32 is 1/18720.
To find the highest common factor of 872,780,393, we have to find the factors of both numbers and list the highest common factor.
The factors of 872 are 1, 2, 4, 8, 109, 218, 436, 872
The factors of 780 are 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780
The factors of 393 are 1, 3, 131, 393
The HCF of 872,780,393 is 1.
Lets's calculate GCF of 872,780,393
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 872,780,393 By Matching Biggest Common Factor Method
Now, list down the factors of 872
:1,2,4,8,109,218,436,872
Now, list down the factors of 780
:1,2,3,4,5,6,10,12,13,15,20,26,30,39,52,60,65,78,130,156,195,260,390,780
Now, list down the factors of 393
:1,3,131,393
Greatest Common Factor
We found the factors 872,780,393 . The biggest common factor number is the GCF number.
So the greatest common factor 872,780,393 is 1.
Lets's calculate LCM of 90,13,32
| 2 | 90, 13, 32 |
| 45, 13, 16 |
∴ So the LCM of the given numbers is 2 x 45 x 13 x 16 = 18720
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/18720
Therefore, the GCF of Fractions 872/90,780/13,393/32 is 1/18720
Least Common Multiple of 90,13,32 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 90,13,32 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(90,13,32) = 1
common factors(in case of two or more numbers have common factors) = 2
GCF(90,13,32) x common factors =1 x 2 = 2
LCM(90,13,32) = ( 90 × 13 × 32 ) / 2
LCM(90,13,32) = 37440 / 2
LCM(90,13,32) = 18720
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FAQs on GCF of Fractions of 872/90, 780/13, 393/32
1. What is the HCF of 872,780,393?
The HCF of 872,780,393 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 872/90, 780/13, 393/32?
Answer: GCF of Numerators as per given numbers 872/90, 780/13, 393/32 is
GCF of Numerators i.e. for 872,780,393 is 1
LCM of denominators i.e. for 90,13,32 is 18720.
Thus, GCF of Fractions is 1/18720.Finally, GCF of Fractions for 872/90, 780/13, 393/32 is 1/18720.