Greatest Common Factor of 32, 18, 81, 2

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

• Greatest Common Factor of 32, 18, 81, 2 by common division method
• Greatest Common Factor of 32, 18, 81, 2 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 32

List of positive integer factors of 32 that divides 32 without a remainder.

1,2,4,8,16,32

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 2

List of positive integer factors of 2 that divides 2 without a remainder.

1,2

Greatest Common Factor

We found the factors 32,18,81,2 . The biggest common factor number is the GCF number.
So the greatest common factor 32,18,81,2 is 1.

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

• GCF of 85, 21, 11, 2
• GCF of 80, 65, 46, 4
• GCF of 38, 62, 10, 7
• GCF of 56, 37, 90, 9
• GCF of 22, 16, 30, 1

1. What is the GCF of 32, 18, 81, 2?

Answer: GCF of 32, 18, 81, 2 is 1.

2. How to Find the GCF of 32, 18, 81, 2

Answer: Greatest Common Factor(GCF) of 32, 18, 81, 2 = 1

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

Step 2: Then multiply all the prime factors GCF(32, 18, 81, 2) = 1.