Greatest Common Factor of 19, 20, 789

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

• Greatest Common Factor of 19, 20, 789 by common division method
• Greatest Common Factor of 19, 20, 789 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 789

List of positive integer factors of 789 that divides 789 without a remainder.

1,3,263,789

Greatest Common Factor

We found the factors 19,20,789 . The biggest common factor number is the GCF number.
So the greatest common factor 19,20,789 is 1.

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

• GCF of 95, 63, 403
• GCF of 29, 17, 223
• GCF of 35, 89, 288
• GCF of 12, 91, 896
• GCF of 23, 24, 378

1. What is the GCF of 19, 20, 789?

Answer: GCF of 19, 20, 789 is 1.

2. How to Find the GCF of 19, 20, 789

Answer: Greatest Common Factor(GCF) of 19, 20, 789 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 20, 789) = 1.