How to Find GCF of 37/81, 645/40, 143/462?

GCF of 37/81, 645/40, 143/462

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023

Use our free GCF of Fractions Calculator tool to compute the GCF of 37/81, 645/40, 143/462 i.e 1/249480 easily. The following is the detailed procedure to determine the greatest common factor of fractions 37/81, 645/40, 143/462.

Enter two or more fractions separated by "commas"

Ex: 2/3, 5/7 or 3/5, 5/9, 7/3

What is the GCF of 37/81,645/40,143/462?

Given fractions are 37/81,645/40,143/462

To find the GCF of fractions, we have to find the GCF of numerator numbers and LCM of denominator numbers. Its formula is given by

GCF of Fraction = Greatest Common Factor of Numerator/Least Common Multiple of Denominators

In the fractions 37/81,645/40,143/462, numerators are 37,645,143

Denominators are 81,40,462

The GCF of 37,645,143 is 1 .

LCM of 81,40,462 is 249480.

The greatest common factor of 37/81,645/40,143/462 = [GCF of 37,645,143]/[LCM of 81,40,462]= 1/249480

Therefore, the GCF of 37/81,645/40,143/462 is 1/249480.

Greatest Common Factor of 37,645,143

To find the highest common factor of 37,645,143, we have to find the factors of both numbers and list the highest common factor.

The factors of 37 are 1, 37

The factors of 645 are 1, 3, 5, 15, 43, 129, 215, 645

The factors of 143 are 1, 11, 13, 143

The HCF of 37,645,143 is 1.

Lets's calculate GCF of 37,645,143

Greatest Common Factor (GCF) of 37,645,143 By Common Division

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

Greatest Common Factor of 37,645,143 By Matching Biggest Common Factor Method

Now, list down the factors of 37

1,37

Now, list down the factors of 645

1,3,5,15,43,129,215,645

Now, list down the factors of 143

1,11,13,143

Greatest Common Factor

We found the factors 37,645,143 . The biggest common factor number is the GCF number.
So the greatest common factor 37,645,143 is 1.

Lets's calculate LCM of 81,40,462

Lowest Common Multiple of 81,40,462 using Common Division

2	81, 40, 462
3	81, 20, 231
	27, 20, 77

∴ So the LCM of the given numbers is 2 x 3 x 27 x 20 x 77 = 249480

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/249480

Therefore, the GCF of Fractions 37/81,645/40,143/462 is 1/249480

Least Common Multiple of 81,40,462 with GCF Formula

The formula of LCM is LCM(a₁,a₂,a₃....,a_n) = ( a₁ × a₂ × a₃ × .... × a_n) / GCF(a₁,a₂,a₃....,a_n) x common factors(if more than 2 numbers have common factors).

We need to calculate greatest common factor of 81,40,462 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(81,40,462) = 1

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

GCF(81,40,462) x common factors =1 x 6 = 6

LCM(81,40,462) = ( 81 × 40 × 462 ) / 6

LCM(81,40,462) = 1496880 / 6

LCM(81,40,462) = 249480

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FAQs on GCF of Fractions of 37/81, 645/40, 143/462

1. What is the HCF of 37,645,143?

The HCF of 37,645,143 is 1

2. What is the GCF of a fraction?

The GCF of a fraction is defined as the greatest fraction that divides exactly into 2 or more fractions.

3. 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.

4. What is the GCF of Fractions for 37/81, 645/40, 143/462?

Answer: GCF of Numerators as per given numbers 37/81, 645/40, 143/462 is

GCF of Numerators i.e. for 37,645,143 is 1

LCM of denominators i.e. for 81,40,462 is 249480.

Thus, GCF of Fractions is 1/249480.Finally, GCF of Fractions for 37/81, 645/40, 143/462 is 1/249480.