Greatest Common Factor of 19, 20, 28, 508

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

• Greatest Common Factor of 19, 20, 28, 508 by common division method
• Greatest Common Factor of 19, 20, 28, 508 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 508

List of positive integer factors of 508 that divides 508 without a remainder.

1,2,4,127,254,508

Greatest Common Factor

We found the factors 19,20,28,508 . The biggest common factor number is the GCF number.
So the greatest common factor 19,20,28,508 is 1.

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

• GCF of 83, 74, 51, 432
• GCF of 65, 89, 10, 563
• GCF of 39, 23, 10, 137
• GCF of 47, 67, 81, 884
• GCF of 58, 40, 45, 176

1. What is the GCF of 19, 20, 28, 508?

Answer: GCF of 19, 20, 28, 508 is 1.

2. How to Find the GCF of 19, 20, 28, 508

Answer: Greatest Common Factor(GCF) of 19, 20, 28, 508 = 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, 28, 508) = 1.