Greatest Common Factor of 455/206, 1771/356

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 455/206, 1771/356

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 455/206,1771/356

Given fractions are 455/206,1771/356

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 455,1771

Greatest Common Factor of Numerators i.e. GCF of 455,1771 is 7 .

LCM of Denominators means LCM of 206,356 as per the given fractions.

LCM of 206,356 is 36668 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 455,1771

GCF of Fractions 455/206,1771/356 is 7/36668

7 455, 1771
65, 253

∴ So the GCF of the given numbers is 7 = 7

Greatest Common Factor of 455,1771 By Matching Biggest Common Factor Method

Greatest Common Factor of 455,1771 By Matching Biggest Common Factor Method

Factors of 455

List of positive integer factors of 455 that divides 455 without a remainder.

1,5,7,13,35,65,91,455

Factors of 1771

List of positive integer factors of 1771 that divides 1771 without a remainder.

1,7,11,23,77,161,253,1771

Greatest Common Factor

We found the factors 455,1771 . The biggest common factor number is the GCF number.
So the greatest common factor 455,1771 is 7.


Lets's calculate LCM of 206,356

2 206, 356
103, 178

∴ So the LCM of the given numbers is 2 x 103 x 178 = 36668

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 7/36668

Therefore, the GCF of Fractions 455/206,1771/356 is 7/36668

Least Common Multiple of 206,356 with GCF Formula

Least Common Multiple of 206,356 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 206,356 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(206,356) = 2

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

GCF(206,356) x common factors =2 x 1 = 2

LCM(206,356) = ( 206 × 356 ) / 2

LCM(206,356) = 73336 / 2

LCM(206,356) = 36668


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 455/206, 1771/356

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 455/206, 1771/356?

Answer: GCF of Numerators as per given numbers 455/206, 1771/356 is

GCF of Numerators i.e. for 455,1771 is 7

LCM of denominators i.e. for 206,356 is 36668.

Thus, GCF of Fractions is 7/36668.Finally, GCF of Fractions for 455/206, 1771/356 is 7/36668.