Greatest Common Factor of 85/66, 49/76, 405/641

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 85/66, 49/76, 405/641

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 85/66,49/76,405/641

Given fractions are 85/66,49/76,405/641

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 85,49,405

Greatest Common Factor of Numerators i.e. GCF of 85,49,405 is 1 .

LCM of Denominators means LCM of 66,76,641 as per the given fractions.

LCM of 66,76,641 is 1607628 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 85,49,405

GCF of Fractions 85/66,49/76,405/641 is 1/1607628

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

Greatest Common Factor of 85,49,405 By Matching Biggest Common Factor Method

Greatest Common Factor of 85,49,405 By Matching Biggest Common Factor Method

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 405

List of positive integer factors of 405 that divides 405 without a remainder.

1,3,5,9,15,27,45,81,135,405

Greatest Common Factor

We found the factors 85,49,405 . The biggest common factor number is the GCF number.
So the greatest common factor 85,49,405 is 1.


Lets's calculate LCM of 66,76,641

2 66, 76, 641
33, 38, 641

∴ So the LCM of the given numbers is 2 x 33 x 38 x 641 = 1607628

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/1607628

Therefore, the GCF of Fractions 85/66,49/76,405/641 is 1/1607628

Least Common Multiple of 66,76,641 with GCF Formula

Least Common Multiple of 66,76,641 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 66,76,641 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(66,76,641) = 1

common factors(in case of two or more numbers have common factors) = 2

GCF(66,76,641) x common factors =1 x 2 = 2

LCM(66,76,641) = ( 66 × 76 × 641 ) / 2

LCM(66,76,641) = 3215256 / 2

LCM(66,76,641) = 1607628


GCF of Fractions Calculation Examples

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Frequently Asked Questions on Fractional GCF of 85/66, 49/76, 405/641

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 85/66, 49/76, 405/641?

Answer: GCF of Numerators as per given numbers 85/66, 49/76, 405/641 is

GCF of Numerators i.e. for 85,49,405 is 1

LCM of denominators i.e. for 66,76,641 is 1607628.

Thus, GCF of Fractions is 1/1607628.Finally, GCF of Fractions for 85/66, 49/76, 405/641 is 1/1607628.