Greatest Common Factor of 19, 71, 20, 59

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

• Greatest Common Factor of 19, 71, 20, 59 by common division method
• Greatest Common Factor of 19, 71, 20, 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 20

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

1,2,4,5,10,20

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 19,71,20,59 . The biggest common factor number is the GCF number.
So the greatest common factor 19,71,20,59 is 1.

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

• GCF of 56, 84, 45, 39
• GCF of 48, 78, 17, 90
• GCF of 91, 79, 32, 33
• GCF of 81, 64, 50, 42
• GCF of 96, 85, 66, 27

1. What is the GCF of 19, 71, 20, 59?

Answer: GCF of 19, 71, 20, 59 is 1.

2. How to Find the GCF of 19, 71, 20, 59

Answer: Greatest Common Factor(GCF) of 19, 71, 20, 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, 71, 20, 59) = 1.