Greatest Common Factor of 19, 21, 47, 27, 797

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

• Greatest Common Factor of 19, 21, 47, 27, 797 by common division method
• Greatest Common Factor of 19, 21, 47, 27, 797 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 797

List of positive integer factors of 797 that divides 797 without a remainder.

1,797

Greatest Common Factor

We found the factors 19,21,47,27,797 . The biggest common factor number is the GCF number.
So the greatest common factor 19,21,47,27,797 is 1.

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

• GCF of 69, 60, 56, 68, 110
• GCF of 40, 32, 10, 81, 308
• GCF of 27, 43, 64, 22, 432
• GCF of 96, 26, 21, 35, 223
• GCF of 27, 17, 95, 82, 149

1. What is the GCF of 19, 21, 47, 27, 797?

Answer: GCF of 19, 21, 47, 27, 797 is 1.

2. How to Find the GCF of 19, 21, 47, 27, 797

Answer: Greatest Common Factor(GCF) of 19, 21, 47, 27, 797 = 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, 47, 27, 797) = 1.