Greatest Common Factor of 31, 28, 43, 56

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

• Greatest Common Factor of 31, 28, 43, 56 by common division method
• Greatest Common Factor of 31, 28, 43, 56 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 31

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

1,31

Factors of 28

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

1,2,4,7,14,28

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Greatest Common Factor

We found the factors 31,28,43,56 . The biggest common factor number is the GCF number.
So the greatest common factor 31,28,43,56 is 1.

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

• GCF of 46, 71, 74, 78
• GCF of 44, 16, 91, 21
• GCF of 14, 78, 15, 48
• GCF of 61, 43, 91, 40
• GCF of 25, 11, 52, 53

1. What is the GCF of 31, 28, 43, 56?

Answer: GCF of 31, 28, 43, 56 is 1.

2. How to Find the GCF of 31, 28, 43, 56

Answer: Greatest Common Factor(GCF) of 31, 28, 43, 56 = 1

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

Step 2: Then multiply all the prime factors GCF(31, 28, 43, 56) = 1.