Greatest Common Factor of 15/645, 771/618, 387/244

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 15/645, 771/618, 387/244

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 15/645,771/618,387/244

Given fractions are 15/645,771/618,387/244

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 15,771,387

Greatest Common Factor of Numerators i.e. GCF of 15,771,387 is 3 .

LCM of Denominators means LCM of 645,618,244 as per the given fractions.

LCM of 645,618,244 is 16210140 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 15,771,387

GCF of Fractions 15/645,771/618,387/244 is 3/16210140

3 15, 771, 387
5, 257, 129

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

Greatest Common Factor of 15,771,387 By Matching Biggest Common Factor Method

Greatest Common Factor of 15,771,387 By Matching Biggest Common Factor Method

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 771

List of positive integer factors of 771 that divides 771 without a remainder.

1,3,257,771

Factors of 387

List of positive integer factors of 387 that divides 387 without a remainder.

1,3,9,43,129,387

Greatest Common Factor

We found the factors 15,771,387 . The biggest common factor number is the GCF number.
So the greatest common factor 15,771,387 is 3.


Lets's calculate LCM of 645,618,244

2 645, 618, 244
3 645, 309, 122
215, 103, 122

∴ So the LCM of the given numbers is 2 x 3 x 215 x 103 x 122 = 16210140

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/16210140

Therefore, the GCF of Fractions 15/645,771/618,387/244 is 3/16210140

Least Common Multiple of 645,618,244 with GCF Formula

Least Common Multiple of 645,618,244 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 645,618,244 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(645,618,244) = 1

common factors(in case of two or more numbers have common factors) = 6

GCF(645,618,244) x common factors =1 x 6 = 6

LCM(645,618,244) = ( 645 × 618 × 244 ) / 6

LCM(645,618,244) = 97260840 / 6

LCM(645,618,244) = 16210140


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 15/645, 771/618, 387/244

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 15/645, 771/618, 387/244?

Answer: GCF of Numerators as per given numbers 15/645, 771/618, 387/244 is

GCF of Numerators i.e. for 15,771,387 is 3

LCM of denominators i.e. for 645,618,244 is 16210140.

Thus, GCF of Fractions is 3/16210140.Finally, GCF of Fractions for 15/645, 771/618, 387/244 is 3/16210140.