Greatest Common Factor of 15, 12, 393

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

• Greatest Common Factor of 15, 12, 393 by common division method
• Greatest Common Factor of 15, 12, 393 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 12

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

1,2,3,4,6,12

Factors of 393

List of positive integer factors of 393 that divides 393 without a remainder.

1,3,131,393

Greatest Common Factor

We found the factors 15,12,393 . The biggest common factor number is the GCF number.
So the greatest common factor 15,12,393 is 3.

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

• GCF of 17, 14, 768
• GCF of 79, 65, 544
• GCF of 29, 86, 127
• GCF of 81, 44, 667
• GCF of 86, 77, 529

1. What is the GCF of 15, 12, 393?

Answer: GCF of 15, 12, 393 is 3.

2. How to Find the GCF of 15, 12, 393

Answer: Greatest Common Factor(GCF) of 15, 12, 393 = 3

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

Step 2: Then multiply all the prime factors GCF(15, 12, 393) = 3.