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GCF of 387/861, 579/331

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023


Use our free GCF of Fractions Calculator tool to compute the GCF of 387/861, 579/331 i.e 3/284991 easily. The following is the detailed procedure to determine the greatest common factor of fractions 387/861, 579/331.

Enter two or more fractions separated by "commas"

Ex: 2/3, 5/7 or 3/5, 5/9, 7/3

GCF of:

What is the GCF of 387/861,579/331?

Given fractions are 387/861,579/331

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 387/861,579/331, numerators are 387,579

Denominators are 861,331

The GCF of 387,579 is 3 .

LCM of 861,331 is 284991.

The greatest common factor of 387/861,579/331 = [GCF of 387,579]/[LCM of 861,331]= 3/284991

Therefore, the GCF of 387/861,579/331 is 3/284991.

Greatest Common Factor of 387,579

To find the highest common factor of 387,579, we have to find the factors of both numbers and list the highest common factor.

The factors of 387 are 1, 3, 9, 43, 129, 387

The factors of 579 are 1, 3, 193, 579

The HCF of 387,579 is 3.

Lets's calculate GCF of 387,579

Greatest Common Factor (GCF) of 387,579 By Common Division

3 387, 579
129, 193

∴ So the GCF of the given numbers is 3 = 3

Greatest Common Factor of 387,579 By Matching Biggest Common Factor Method

Greatest Common Factor of 387,579 By Matching Biggest Common Factor Method

Now, list down the factors of 387

:

1,3,9,43,129,387

Now, list down the factors of 579

:

1,3,193,579

Greatest Common Factor

We found the factors 387,579 . The biggest common factor number is the GCF number.
So the greatest common factor 387,579 is 3.


Lets's calculate LCM of 861,331

Lowest Common Multiple of 861,331 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 284991

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/284991

Therefore, the GCF of Fractions 387/861,579/331 is 3/284991

Least Common Multiple of 861,331 with GCF Formula

Least Common Multiple of 861,331 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 861,331 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(861,331) = 1

common factors(in case of two or more numbers have common factors) = 1

GCF(861,331) x common factors =1 x 1 = 1

LCM(861,331) = ( 861 × 331 ) / 1

LCM(861,331) = 284991 / 1

LCM(861,331) = 284991


GCF of Fractions Calculation Examples

FAQs on GCF of Fractions of 387/861, 579/331

1. What is the HCF of 387,579?

The HCF of 387,579 is 3

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 387/861, 579/331?

Answer: GCF of Numerators as per given numbers 387/861, 579/331 is

GCF of Numerators i.e. for 387,579 is 3

LCM of denominators i.e. for 861,331 is 284991.

Thus, GCF of Fractions is 3/284991.Finally, GCF of Fractions for 387/861, 579/331 is 3/284991.