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 19, 21, 130 i.e. 1 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 19, 21, 130 is 1.
GCF(19, 21, 130) = 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 19
List of positive integer factors of 19 that divides 19 without a remainder.
1,19
Factors of 21
List of positive integer factors of 21 that divides 21 without a remainder.
1,3,7,21
Factors of 130
List of positive integer factors of 130 that divides 130 without a remainder.
1,2,5,10,13,26,65,130
Greatest Common Factor
We found the factors 19,21,130 . The biggest common factor number is the GCF number.
So the greatest common factor 19,21,130 is 1.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 19, 21, 130?
Answer: GCF of 19, 21, 130 is 1.
2. How to Find the GCF of 19, 21, 130
Answer: Greatest Common Factor(GCF) of 19, 21, 130 = 1
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(19, 21, 130) = 1.