Greatest Common Factor of 12, 81, 87, 47

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

• Greatest Common Factor of 12, 81, 87, 47 by common division method
• Greatest Common Factor of 12, 81, 87, 47 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 81

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

1,3,9,27,81

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 47

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

1,47

Greatest Common Factor

We found the factors 12,81,87,47 . The biggest common factor number is the GCF number.
So the greatest common factor 12,81,87,47 is 1.

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

• GCF of 74, 71, 94, 77
• GCF of 86, 68, 76, 58
• GCF of 10, 49, 97, 53
• GCF of 95, 31, 21, 54
• GCF of 78, 48, 32, 26

1. What is the GCF of 12, 81, 87, 47?

Answer: GCF of 12, 81, 87, 47 is 1.

2. How to Find the GCF of 12, 81, 87, 47

Answer: Greatest Common Factor(GCF) of 12, 81, 87, 47 = 1

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

Step 2: Then multiply all the prime factors GCF(12, 81, 87, 47) = 1.