Greatest Common Factor of 47, 71, 31, 2, 28

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

• Greatest Common Factor of 47, 71, 31, 2, 28 by common division method
• Greatest Common Factor of 47, 71, 31, 2, 28 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 47

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

1,47

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 2

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

1,2

Factors of 28

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

1,2,4,7,14,28

Greatest Common Factor

We found the factors 47,71,31,2,28 . The biggest common factor number is the GCF number.
So the greatest common factor 47,71,31,2,28 is 1.

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

• GCF of 11, 96, 61, 6, 94
• GCF of 11, 89, 50, 3, 76
• GCF of 50, 49, 73, 3, 50
• GCF of 31, 16, 64, 4, 55
• GCF of 33, 64, 24, 9, 54

1. What is the GCF of 47, 71, 31, 2, 28?

Answer: GCF of 47, 71, 31, 2, 28 is 1.

2. How to Find the GCF of 47, 71, 31, 2, 28

Answer: Greatest Common Factor(GCF) of 47, 71, 31, 2, 28 = 1

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

Step 2: Then multiply all the prime factors GCF(47, 71, 31, 2, 28) = 1.