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 289, 209, 390 i.e. 1 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 289, 209, 390 is 1.
GCF(289, 209, 390) = 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 289
List of positive integer factors of 289 that divides 289 without a remainder.
1,17,289
Factors of 209
List of positive integer factors of 209 that divides 209 without a remainder.
1,11,19,209
Factors of 390
List of positive integer factors of 390 that divides 390 without a remainder.
1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390
Greatest Common Factor
We found the factors 289,209,390 . The biggest common factor number is the GCF number.
So the greatest common factor 289,209,390 is 1.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 289, 209, 390?
Answer: GCF of 289, 209, 390 is 1.
2. How to Find the GCF of 289, 209, 390
Answer: Greatest Common Factor(GCF) of 289, 209, 390 = 1
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(289, 209, 390) = 1.