Greatest Common Factor of 32, 81, 47, 42

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

• Greatest Common Factor of 32, 81, 47, 42 by common division method
• Greatest Common Factor of 32, 81, 47, 42 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 81

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

1,3,9,27,81

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Greatest Common Factor

We found the factors 32,81,47,42 . The biggest common factor number is the GCF number.
So the greatest common factor 32,81,47,42 is 1.

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

• GCF of 97, 34, 65, 72
• GCF of 55, 56, 38, 80
• GCF of 37, 26, 62, 51
• GCF of 28, 38, 50, 62
• GCF of 63, 55, 15, 17

1. What is the GCF of 32, 81, 47, 42?

Answer: GCF of 32, 81, 47, 42 is 1.

2. How to Find the GCF of 32, 81, 47, 42

Answer: Greatest Common Factor(GCF) of 32, 81, 47, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(32, 81, 47, 42) = 1.