Greatest Common Factor of 81, 40, 56, 48

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

• Greatest Common Factor of 81, 40, 56, 48 by common division method
• Greatest Common Factor of 81, 40, 56, 48 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 81

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

1,3,9,27,81

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 56

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

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

Factors of 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Greatest Common Factor

We found the factors 81,40,56,48 . The biggest common factor number is the GCF number.
So the greatest common factor 81,40,56,48 is 1.

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

• GCF of 86, 67, 49, 29
• GCF of 23, 89, 52, 62
• GCF of 30, 45, 12, 83
• GCF of 82, 36, 26, 29
• GCF of 83, 99, 50, 11

1. What is the GCF of 81, 40, 56, 48?

Answer: GCF of 81, 40, 56, 48 is 1.

2. How to Find the GCF of 81, 40, 56, 48

Answer: Greatest Common Factor(GCF) of 81, 40, 56, 48 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 40, 56, 48) = 1.