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 438, 991, 19 i.e. 1 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 438, 991, 19 is 1.
GCF(438, 991, 19) = 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 438
List of positive integer factors of 438 that divides 438 without a remainder.
1,2,3,6,73,146,219,438
Factors of 991
List of positive integer factors of 991 that divides 991 without a remainder.
1,991
Factors of 19
List of positive integer factors of 19 that divides 19 without a remainder.
1,19
Greatest Common Factor
We found the factors 438,991,19 . The biggest common factor number is the GCF number.
So the greatest common factor 438,991,19 is 1.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 438, 991, 19?
Answer: GCF of 438, 991, 19 is 1.
2. How to Find the GCF of 438, 991, 19
Answer: Greatest Common Factor(GCF) of 438, 991, 19 = 1
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(438, 991, 19) = 1.