Greatest Common Factor of 28, 20, 293, 311

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

• Greatest Common Factor of 28, 20, 293, 311 by common division method
• Greatest Common Factor of 28, 20, 293, 311 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 20

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

1,2,4,5,10,20

Factors of 293

List of positive integer factors of 293 that divides 293 without a remainder.

1,293

Factors of 311

List of positive integer factors of 311 that divides 311 without a remainder.

1,311

Greatest Common Factor

We found the factors 28,20,293,311 . The biggest common factor number is the GCF number.
So the greatest common factor 28,20,293,311 is 1.

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

• GCF of 32, 27, 458, 396
• GCF of 42, 28, 952, 681
• GCF of 24, 15, 210, 649
• GCF of 54, 33, 921, 923
• GCF of 15, 37, 579, 530

1. What is the GCF of 28, 20, 293, 311?

Answer: GCF of 28, 20, 293, 311 is 1.

2. How to Find the GCF of 28, 20, 293, 311

Answer: Greatest Common Factor(GCF) of 28, 20, 293, 311 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 20, 293, 311) = 1.