Greatest Common Factor of 216/855, 661/440, 521/840

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 216/855, 661/440, 521/840

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 216/855,661/440,521/840

Given fractions are 216/855,661/440,521/840

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 216,661,521

Greatest Common Factor of Numerators i.e. GCF of 216,661,521 is 1 .

LCM of Denominators means LCM of 855,440,840 as per the given fractions.

LCM of 855,440,840 is 526680 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 216,661,521

GCF of Fractions 216/855,661/440,521/840 is 1/526680

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

Greatest Common Factor of 216,661,521 By Matching Biggest Common Factor Method

Greatest Common Factor of 216,661,521 By Matching Biggest Common Factor Method

Factors of 216

List of positive integer factors of 216 that divides 216 without a remainder.

1,2,3,4,6,8,9,12,18,24,27,36,54,72,108,216

Factors of 661

List of positive integer factors of 661 that divides 661 without a remainder.

1,661

Factors of 521

List of positive integer factors of 521 that divides 521 without a remainder.

1,521

Greatest Common Factor

We found the factors 216,661,521 . The biggest common factor number is the GCF number.
So the greatest common factor 216,661,521 is 1.


Lets's calculate LCM of 855,440,840

2 855, 440, 840
2 855, 220, 420
2 855, 110, 210
3 855, 55, 105
5 285, 55, 35
57, 11, 7

∴ So the LCM of the given numbers is 2 x 2 x 2 x 3 x 5 x 57 x 11 x 7 = 526680

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/526680

Therefore, the GCF of Fractions 216/855,661/440,521/840 is 1/526680

Least Common Multiple of 855,440,840 with GCF Formula

Least Common Multiple of 855,440,840 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 855,440,840 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(855,440,840) = 5

common factors(in case of two or more numbers have common factors) = 120

GCF(855,440,840) x common factors =5 x 120 = 600

LCM(855,440,840) = ( 855 × 440 × 840 ) / 600

LCM(855,440,840) = 316008000 / 600

LCM(855,440,840) = 526680


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 216/855, 661/440, 521/840

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 216/855, 661/440, 521/840?

Answer: GCF of Numerators as per given numbers 216/855, 661/440, 521/840 is

GCF of Numerators i.e. for 216,661,521 is 1

LCM of denominators i.e. for 855,440,840 is 526680.

Thus, GCF of Fractions is 1/526680.Finally, GCF of Fractions for 216/855, 661/440, 521/840 is 1/526680.