How to Find GCF of 19/42, 871/82, 792/997?

GCF of 19/42, 871/82, 792/997

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 19/42, 871/82, 792/997 i.e 1/1716834 easily. The following is the detailed procedure to determine the greatest common factor of fractions 19/42, 871/82, 792/997.

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 19/42,871/82,792/997?

Given fractions are 19/42,871/82,792/997

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 19/42,871/82,792/997, numerators are 19,871,792

Denominators are 42,82,997

The GCF of 19,871,792 is 1 .

LCM of 42,82,997 is 1716834.

The greatest common factor of 19/42,871/82,792/997 = [GCF of 19,871,792]/[LCM of 42,82,997]= 1/1716834

Therefore, the GCF of 19/42,871/82,792/997 is 1/1716834.

Greatest Common Factor of 19,871,792

To find the highest common factor of 19,871,792, we have to find the factors of both numbers and list the highest common factor.

The factors of 19 are 1, 19

The factors of 871 are 1, 13, 67, 871

The factors of 792 are 1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792

The HCF of 19,871,792 is 1.

Lets's calculate GCF of 19,871,792

Greatest Common Factor (GCF) of 19,871,792 By Common Division

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

Greatest Common Factor of 19,871,792 By Matching Biggest Common Factor Method

Now, list down the factors of 19

1,19

Now, list down the factors of 871

1,13,67,871

Now, list down the factors of 792

1,2,3,4,6,8,9,11,12,18,22,24,33,36,44,66,72,88,99,132,198,264,396,792

Greatest Common Factor

We found the factors 19,871,792 . The biggest common factor number is the GCF number.
So the greatest common factor 19,871,792 is 1.

Lets's calculate LCM of 42,82,997

Lowest Common Multiple of 42,82,997 using Common Division

2	42, 82, 997
	21, 41, 997

∴ So the LCM of the given numbers is 2 x 21 x 41 x 997 = 1716834

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/1716834

Therefore, the GCF of Fractions 19/42,871/82,792/997 is 1/1716834

Least Common Multiple of 42,82,997 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 42,82,997 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(42,82,997) = 1

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

GCF(42,82,997) x common factors =1 x 2 = 2

LCM(42,82,997) = ( 42 × 82 × 997 ) / 2

LCM(42,82,997) = 3433668 / 2

LCM(42,82,997) = 1716834

GCF of Fractions Calculation Examples

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FAQs on GCF of Fractions of 19/42, 871/82, 792/997

1. What is the HCF of 19,871,792?

The HCF of 19,871,792 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 19/42, 871/82, 792/997?

Answer: GCF of Numerators as per given numbers 19/42, 871/82, 792/997 is

GCF of Numerators i.e. for 19,871,792 is 1

LCM of denominators i.e. for 42,82,997 is 1716834.

Thus, GCF of Fractions is 1/1716834.Finally, GCF of Fractions for 19/42, 871/82, 792/997 is 1/1716834.