Greatest Common Factor of 15, 87, 30, 33

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

• Greatest Common Factor of 15, 87, 30, 33 by common division method
• Greatest Common Factor of 15, 87, 30, 33 with matching the biggest common factor

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

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 87

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

1,3,29,87

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 33

List of positive integer factors of 33 that divides 33 without a remainder.

1,3,11,33

Greatest Common Factor

We found the factors 15,87,30,33 . The biggest common factor number is the GCF number.
So the greatest common factor 15,87,30,33 is 3.

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

• GCF of 25, 78, 76, 38
• GCF of 59, 78, 20, 64
• GCF of 38, 62, 80, 89
• GCF of 17, 60, 87, 50
• GCF of 41, 16, 20, 20

1. What is the GCF of 15, 87, 30, 33?

Answer: GCF of 15, 87, 30, 33 is 3.

2. How to Find the GCF of 15, 87, 30, 33

Answer: Greatest Common Factor(GCF) of 15, 87, 30, 33 = 3

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

Step 2: Then multiply all the prime factors GCF(15, 87, 30, 33) = 3.