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 81, 90, 47, 309 i.e. 1 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 81, 90, 47, 309 is 1.
GCF(81, 90, 47, 309) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
∴ GCF of numbers is 1 because of no common factors present between them.
Factors of 81
List of positive integer factors of 81 that divides 81 without a remainder.
1,3,9,27,81
Factors of 90
List of positive integer factors of 90 that divides 90 without a remainder.
1,2,3,5,6,9,10,15,18,30,45,90
Factors of 47
List of positive integer factors of 47 that divides 47 without a remainder.
1,47
Factors of 309
List of positive integer factors of 309 that divides 309 without a remainder.
1,3,103,309
Greatest Common Factor
We found the factors 81,90,47,309 . The biggest common factor number is the GCF number.
So the greatest common factor 81,90,47,309 is 1.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 81, 90, 47, 309?
Answer: GCF of 81, 90, 47, 309 is 1.
2. How to Find the GCF of 81, 90, 47, 309
Answer: Greatest Common Factor(GCF) of 81, 90, 47, 309 = 1
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(81, 90, 47, 309) = 1.