Greatest Common Factor of 19, 12, 189

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

• Greatest Common Factor of 19, 12, 189 by common division method
• Greatest Common Factor of 19, 12, 189 with matching the biggest common factor

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∴ 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 189

List of positive integer factors of 189 that divides 189 without a remainder.

1,3,7,9,21,27,63,189

Greatest Common Factor

We found the factors 19,12,189 . The biggest common factor number is the GCF number.
So the greatest common factor 19,12,189 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 20, 37, 828
• GCF of 37, 62, 977
• GCF of 81, 91, 849
• GCF of 18, 81, 631
• GCF of 11, 60, 542

1. What is the GCF of 19, 12, 189?

Answer: GCF of 19, 12, 189 is 1.

2. How to Find the GCF of 19, 12, 189

Answer: Greatest Common Factor(GCF) of 19, 12, 189 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 12, 189) = 1.