Greatest Common Factor of 39, 18, 30

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

• Greatest Common Factor of 39, 18, 30 by common division method
• Greatest Common Factor of 39, 18, 30 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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 30

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

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

Greatest Common Factor

We found the factors 39,18,30 . The biggest common factor number is the GCF number.
So the greatest common factor 39,18,30 is 3.

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

• GCF of 91, 20, 87
• GCF of 73, 69, 44
• GCF of 66, 99, 58
• GCF of 11, 33, 41
• GCF of 91, 43, 68

1. What is the GCF of 39, 18, 30?

Answer: GCF of 39, 18, 30 is 3.

2. How to Find the GCF of 39, 18, 30

Answer: Greatest Common Factor(GCF) of 39, 18, 30 = 3

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

Step 2: Then multiply all the prime factors GCF(39, 18, 30) = 3.