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GCF of 158/640, 513/621

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 158/640, 513/621 i.e 1/397440 easily. The following is the detailed procedure to determine the greatest common factor of fractions 158/640, 513/621.

Enter two or more fractions separated by "commas"

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

GCF of:

What is the GCF of 158/640,513/621?

Given fractions are 158/640,513/621

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 158/640,513/621, numerators are 158,513

Denominators are 640,621

The GCF of 158,513 is 1 .

LCM of 640,621 is 397440.

The greatest common factor of 158/640,513/621 = [GCF of 158,513]/[LCM of 640,621]= 1/397440

Therefore, the GCF of 158/640,513/621 is 1/397440.

Greatest Common Factor of 158,513

To find the highest common factor of 158,513, we have to find the factors of both numbers and list the highest common factor.

The factors of 158 are 1, 2, 79, 158

The factors of 513 are 1, 3, 9, 19, 27, 57, 171, 513

The HCF of 158,513 is 1.

Lets's calculate GCF of 158,513

Greatest Common Factor (GCF) of 158,513 By Common Division

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

Greatest Common Factor of 158,513 By Matching Biggest Common Factor Method

Greatest Common Factor of 158,513 By Matching Biggest Common Factor Method

Now, list down the factors of 158

:

1,2,79,158

Now, list down the factors of 513

:

1,3,9,19,27,57,171,513

Greatest Common Factor

We found the factors 158,513 . The biggest common factor number is the GCF number.
So the greatest common factor 158,513 is 1.


Lets's calculate LCM of 640,621

Lowest Common Multiple of 640,621 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 397440

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/397440

Therefore, the GCF of Fractions 158/640,513/621 is 1/397440

Least Common Multiple of 640,621 with GCF Formula

Least Common Multiple of 640,621 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 640,621 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(640,621) = 1

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

GCF(640,621) x common factors =1 x 1 = 1

LCM(640,621) = ( 640 × 621 ) / 1

LCM(640,621) = 397440 / 1

LCM(640,621) = 397440


GCF of Fractions Calculation Examples

FAQs on GCF of Fractions of 158/640, 513/621

1. What is the HCF of 158,513?

The HCF of 158,513 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 158/640, 513/621?

Answer: GCF of Numerators as per given numbers 158/640, 513/621 is

GCF of Numerators i.e. for 158,513 is 1

LCM of denominators i.e. for 640,621 is 397440.

Thus, GCF of Fractions is 1/397440.Finally, GCF of Fractions for 158/640, 513/621 is 1/397440.