Greatest Common Factor of 728, 3991

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

GCF of two or more numbers Calculator allows you to quickly calculate the GCF of 728, 3991 i.e. 13 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 728, 3991 is 13.

GCF(728, 3991) = 13

GCF of 728, 3991

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

GCF of:

Greatest Common Factor of 728,3991

GCF of 728,3991 is 13

13 728, 3991
56, 307

∴ So the GCF of the given numbers is 13 = 13

Greatest Common Factor (GCF) By Matching Biggest Common Factor Method

Factors of 728

List of positive integer factors of 728 that divides 728 without a remainder.

1,2,4,7,8,13,14,26,28,52,56,91,104,182,364,728

Factors of 3991

List of positive integer factors of 3991 that divides 3991 without a remainder.

1,13,307,3991

Greatest Common Factor

We found the factors 728,3991 . The biggest common factor number is the GCF number.
So the greatest common factor 728,3991 is 13.

GCF of two or more Numbers Calculation Examples

Here are some samples of GCF of two or more Numbers calculations.

Frequently Asked Questions on GCF of 728, 3991

1. What is the GCF of 728, 3991?

Answer: GCF of 728, 3991 is 13.

2. How to Find the GCF of 728, 3991

Answer: Greatest Common Factor(GCF) of 728, 3991 = 13

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(728, 3991) = 13.