Greatest Common Factor of 19, 81, 63, 19, 59

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

• Greatest Common Factor of 19, 81, 63, 19, 59 by common division method
• Greatest Common Factor of 19, 81, 63, 19, 59 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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 59

List of positive integer factors of 59 that divides 59 without a remainder.

1,59

Greatest Common Factor

We found the factors 19,81,63,19,59 . The biggest common factor number is the GCF number.
So the greatest common factor 19,81,63,19,59 is 1.

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

• GCF of 85, 91, 28, 98, 25
• GCF of 72, 94, 74, 30, 66
• GCF of 62, 40, 76, 43, 41
• GCF of 59, 67, 31, 65, 78
• GCF of 74, 26, 86, 51, 33

1. What is the GCF of 19, 81, 63, 19, 59?

Answer: GCF of 19, 81, 63, 19, 59 is 1.

2. How to Find the GCF of 19, 81, 63, 19, 59

Answer: Greatest Common Factor(GCF) of 19, 81, 63, 19, 59 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 81, 63, 19, 59) = 1.