GCF of 858/78, 401/14, 172/55
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 858/78, 401/14, 172/55 i.e 1/30030 easily. The following is the detailed procedure to determine the greatest common factor of fractions 858/78, 401/14, 172/55.
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 858/78,401/14,172/55?
Given fractions are 858/78,401/14,172/55
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 858/78,401/14,172/55, numerators are 858,401,172
Denominators are 78,14,55
The GCF of 858,401,172 is 1 .
LCM of 78,14,55 is 30030.
The greatest common factor of 858/78,401/14,172/55 = [GCF of 858,401,172]/[LCM of 78,14,55]= 1/30030
Therefore, the GCF of 858/78,401/14,172/55 is 1/30030.
To find the highest common factor of 858,401,172, we have to find the factors of both numbers and list the highest common factor.
The factors of 858 are 1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858
The factors of 401 are 1, 401
The factors of 172 are 1, 2, 4, 43, 86, 172
The HCF of 858,401,172 is 1.
Lets's calculate GCF of 858,401,172
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 858,401,172 By Matching Biggest Common Factor Method
Now, list down the factors of 858
:1,2,3,6,11,13,22,26,33,39,66,78,143,286,429,858
Now, list down the factors of 401
:1,401
Now, list down the factors of 172
:1,2,4,43,86,172
Greatest Common Factor
We found the factors 858,401,172 . The biggest common factor number is the GCF number.
So the greatest common factor 858,401,172 is 1.
Lets's calculate LCM of 78,14,55
| 2 | 78, 14, 55 |
| 39, 7, 55 |
∴ So the LCM of the given numbers is 2 x 39 x 7 x 55 = 30030
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/30030
Therefore, the GCF of Fractions 858/78,401/14,172/55 is 1/30030
Least Common Multiple of 78,14,55 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 78,14,55 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(78,14,55) = 1
common factors(in case of two or more numbers have common factors) = 2
GCF(78,14,55) x common factors =1 x 2 = 2
LCM(78,14,55) = ( 78 × 14 × 55 ) / 2
LCM(78,14,55) = 60060 / 2
LCM(78,14,55) = 30030
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FAQs on GCF of Fractions of 858/78, 401/14, 172/55
1. What is the HCF of 858,401,172?
The HCF of 858,401,172 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 858/78, 401/14, 172/55?
Answer: GCF of Numerators as per given numbers 858/78, 401/14, 172/55 is
GCF of Numerators i.e. for 858,401,172 is 1
LCM of denominators i.e. for 78,14,55 is 30030.
Thus, GCF of Fractions is 1/30030.Finally, GCF of Fractions for 858/78, 401/14, 172/55 is 1/30030.