Greatest Common Factor of 16, 21, 19, 54, 86

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

• Greatest Common Factor of 16, 21, 19, 54, 86 by common division method
• Greatest Common Factor of 16, 21, 19, 54, 86 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 19

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

1,19

Factors of 54

List of positive integer factors of 54 that divides 54 without a remainder.

1,2,3,6,9,18,27,54

Factors of 86

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

1,2,43,86

Greatest Common Factor

We found the factors 16,21,19,54,86 . The biggest common factor number is the GCF number.
So the greatest common factor 16,21,19,54,86 is 1.

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

• GCF of 58, 26, 60, 64, 90
• GCF of 39, 15, 88, 78, 67
• GCF of 49, 69, 65, 63, 88
• GCF of 57, 97, 97, 12, 24
• GCF of 84, 84, 21, 29, 68

1. What is the GCF of 16, 21, 19, 54, 86?

Answer: GCF of 16, 21, 19, 54, 86 is 1.

2. How to Find the GCF of 16, 21, 19, 54, 86

Answer: Greatest Common Factor(GCF) of 16, 21, 19, 54, 86 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 21, 19, 54, 86) = 1.