Greatest Common Factor of 30/128, 497/871

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 30/128, 497/871

Enter two or more fractions separated by "commas"

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

GCF of:

Greatest Common Factor of 30/128,497/871

Given fractions are 30/128,497/871

Formula to find GCF of Fractions is

GCF = GCF of Numerators/LCM of Denominators

As per the formula GCF of Fractions let’s split into two parts and find the GCF of Numerators and LCM of Denominators

In the given fractions GCF of Numerators means GCF of 30,497

Greatest Common Factor of Numerators i.e. GCF of 30,497 is 1 .

LCM of Denominators means LCM of 128,871 as per the given fractions.

LCM of 128,871 is 111488 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 30,497

GCF of Fractions 30/128,497/871 is 1/111488

∴ So GCF of numbers is 1 because of no common factors present between them.

Greatest Common Factor of 30,497 By Matching Biggest Common Factor Method

Greatest Common Factor of 30,497 By Matching Biggest Common Factor Method

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 497

List of positive integer factors of 497 that divides 497 without a remainder.

1,7,71,497

Greatest Common Factor

We found the factors 30,497 . The biggest common factor number is the GCF number.
So the greatest common factor 30,497 is 1.


Lets's calculate LCM of 128,871

Given numbers has no common factors except 1. So, there LCM is their product i.e 111488

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/111488

Therefore, the GCF of Fractions 30/128,497/871 is 1/111488

Least Common Multiple of 128,871 with GCF Formula

Least Common Multiple of 128,871 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 128,871 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(128,871) = 1

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

GCF(128,871) x common factors =1 x 1 = 1

LCM(128,871) = ( 128 × 871 ) / 1

LCM(128,871) = 111488 / 1

LCM(128,871) = 111488


GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 30/128, 497/871

1. 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.

2. What is the GCF of Fractions for 30/128, 497/871?

Answer: GCF of Numerators as per given numbers 30/128, 497/871 is

GCF of Numerators i.e. for 30,497 is 1

LCM of denominators i.e. for 128,871 is 111488.

Thus, GCF of Fractions is 1/111488.Finally, GCF of Fractions for 30/128, 497/871 is 1/111488.