Greatest Common Factor of 16, 80, 86, 391

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

• Greatest Common Factor of 16, 80, 86, 391 by common division method
• Greatest Common Factor of 16, 80, 86, 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 16

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

1,2,4,8,16

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 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

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 16,80,86,391 . The biggest common factor number is the GCF number.
So the greatest common factor 16,80,86,391 is 1.

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

• GCF of 62, 93, 58, 360
• GCF of 82, 29, 82, 723
• GCF of 48, 27, 56, 575
• GCF of 36, 40, 91, 955
• GCF of 43, 93, 31, 321

1. What is the GCF of 16, 80, 86, 391?

Answer: GCF of 16, 80, 86, 391 is 1.

2. How to Find the GCF of 16, 80, 86, 391

Answer: Greatest Common Factor(GCF) of 16, 80, 86, 391 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 80, 86, 391) = 1.