Greatest Common Factor of 87, 63, 60, 81

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

• Greatest Common Factor of 87, 63, 60, 81 by common division method
• Greatest Common Factor of 87, 63, 60, 81 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 87

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

1,3,29,87

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 81

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

1,3,9,27,81

Greatest Common Factor

We found the factors 87,63,60,81 . The biggest common factor number is the GCF number.
So the greatest common factor 87,63,60,81 is 3.

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

• GCF of 51, 83, 99, 34
• GCF of 81, 68, 61, 14
• GCF of 28, 24, 90, 77
• GCF of 70, 47, 75, 31
• GCF of 72, 35, 32, 76

1. What is the GCF of 87, 63, 60, 81?

Answer: GCF of 87, 63, 60, 81 is 3.

2. How to Find the GCF of 87, 63, 60, 81

Answer: Greatest Common Factor(GCF) of 87, 63, 60, 81 = 3

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

Step 2: Then multiply all the prime factors GCF(87, 63, 60, 81) = 3.