Greatest Common Factor of 203/257, 1203/428

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 203/257, 1203/428

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 203/257,1203/428

Given fractions are 203/257,1203/428

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 203,1203

Greatest Common Factor of Numerators i.e. GCF of 203,1203 is 1 .

LCM of Denominators means LCM of 257,428 as per the given fractions.

LCM of 257,428 is 109996 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 203,1203

GCF of Fractions 203/257,1203/428 is 1/109996

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

Greatest Common Factor of 203,1203 By Matching Biggest Common Factor Method

Greatest Common Factor of 203,1203 By Matching Biggest Common Factor Method

Factors of 203

List of positive integer factors of 203 that divides 203 without a remainder.

1,7,29,203

Factors of 1203

List of positive integer factors of 1203 that divides 1203 without a remainder.

1,3,401,1203

Greatest Common Factor

We found the factors 203,1203 . The biggest common factor number is the GCF number.
So the greatest common factor 203,1203 is 1.


Lets's calculate LCM of 257,428

Given numbers has no common factors except 1. So, there LCM is their product i.e 109996

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/109996

Therefore, the GCF of Fractions 203/257,1203/428 is 1/109996

Least Common Multiple of 257,428 with GCF Formula

Least Common Multiple of 257,428 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 257,428 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(257,428) = 1

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

GCF(257,428) x common factors =1 x 1 = 1

LCM(257,428) = ( 257 × 428 ) / 1

LCM(257,428) = 109996 / 1

LCM(257,428) = 109996


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 203/257, 1203/428

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 203/257, 1203/428?

Answer: GCF of Numerators as per given numbers 203/257, 1203/428 is

GCF of Numerators i.e. for 203,1203 is 1

LCM of denominators i.e. for 257,428 is 109996.

Thus, GCF of Fractions is 1/109996.Finally, GCF of Fractions for 203/257, 1203/428 is 1/109996.