Greatest Common Factor of 391, 989

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 391, 989 i.e. 23 largest integer that divides all the numbers equally.

Greatest common factor (GCF) of 391, 989 is 23.

GCF(391, 989) = 23

GCF of 391, 989

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

GCF of:

Greatest Common Factor of 391,989

GCF of 391,989 is 23

23 391, 989
17, 43

∴ So the GCF of the given numbers is 23 = 23

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

Factors of 391

List of positive integer factors of 391 that divides 391 without a remainder.

1,17,23,391

Factors of 989

List of positive integer factors of 989 that divides 989 without a remainder.

1,23,43,989

Greatest Common Factor

We found the factors 391,989 . The biggest common factor number is the GCF number.
So the greatest common factor 391,989 is 23.

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 391, 989

1. What is the GCF of 391, 989?

Answer: GCF of 391, 989 is 23.

2. How to Find the GCF of 391, 989

Answer: Greatest Common Factor(GCF) of 391, 989 = 23

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

Step 2: Then multiply all the prime factors GCF(391, 989) = 23.