Greatest Common Factor of 28, 31, 24, 3, 19

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

• Greatest Common Factor of 28, 31, 24, 3, 19 by common division method
• Greatest Common Factor of 28, 31, 24, 3, 19 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 28

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

1,2,4,7,14,28

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 24

List of positive integer factors of 24 that divides 24 without a remainder.

1,2,3,4,6,8,12,24

Factors of 3

List of positive integer factors of 3 that divides 3 without a remainder.

1,3

Factors of 19

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

1,19

Greatest Common Factor

We found the factors 28,31,24,3,19 . The biggest common factor number is the GCF number.
So the greatest common factor 28,31,24,3,19 is 1.

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

• GCF of 84, 11, 14, 1, 52
• GCF of 82, 43, 96, 4, 24
• GCF of 47, 12, 63, 3, 81
• GCF of 45, 48, 69, 9, 30
• GCF of 44, 92, 68, 9, 52

1. What is the GCF of 28, 31, 24, 3, 19?

Answer: GCF of 28, 31, 24, 3, 19 is 1.

2. How to Find the GCF of 28, 31, 24, 3, 19

Answer: Greatest Common Factor(GCF) of 28, 31, 24, 3, 19 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 31, 24, 3, 19) = 1.