Greatest Common Factor of 80, 28, 16, 26, 391

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

• Greatest Common Factor of 80, 28, 16, 26, 391 by common division method
• Greatest Common Factor of 80, 28, 16, 26, 391 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 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 28

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

1,2,4,7,14,28

Factors of 16

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

1,2,4,8,16

Factors of 26

List of positive integer factors of 26 that divides 26 without a remainder.

1,2,13,26

Factors of 391

List of positive integer factors of 391 that divides 391 without a remainder.

1,17,23,391

Greatest Common Factor

We found the factors 80,28,16,26,391 . The biggest common factor number is the GCF number.
So the greatest common factor 80,28,16,26,391 is 1.

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

• GCF of 12, 14, 52, 90, 773
• GCF of 40, 22, 96, 31, 274
• GCF of 81, 70, 90, 97, 242
• GCF of 40, 83, 75, 13, 426
• GCF of 74, 86, 72, 63, 159

1. What is the GCF of 80, 28, 16, 26, 391?

Answer: GCF of 80, 28, 16, 26, 391 is 1.

2. How to Find the GCF of 80, 28, 16, 26, 391

Answer: Greatest Common Factor(GCF) of 80, 28, 16, 26, 391 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 28, 16, 26, 391) = 1.