Greatest Common Factor of 28, 31, 16, 321

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

• Greatest Common Factor of 28, 31, 16, 321 by common division method
• Greatest Common Factor of 28, 31, 16, 321 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 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 321

List of positive integer factors of 321 that divides 321 without a remainder.

1,3,107,321

Greatest Common Factor

We found the factors 28,31,16,321 . The biggest common factor number is the GCF number.
So the greatest common factor 28,31,16,321 is 1.

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

• GCF of 61, 38, 74, 516
• GCF of 38, 84, 27, 424
• GCF of 27, 32, 81, 363
• GCF of 97, 89, 55, 333
• GCF of 29, 11, 27, 983

1. What is the GCF of 28, 31, 16, 321?

Answer: GCF of 28, 31, 16, 321 is 1.

2. How to Find the GCF of 28, 31, 16, 321

Answer: Greatest Common Factor(GCF) of 28, 31, 16, 321 = 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, 16, 321) = 1.