Greatest Common Factor of 30, 399, 309

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

• Greatest Common Factor of 30, 399, 309 by common division method
• Greatest Common Factor of 30, 399, 309 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 30

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

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

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Factors of 309

List of positive integer factors of 309 that divides 309 without a remainder.

1,3,103,309

Greatest Common Factor

We found the factors 30,399,309 . The biggest common factor number is the GCF number.
So the greatest common factor 30,399,309 is 3.

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

• GCF of 23, 833, 821
• GCF of 66, 935, 865
• GCF of 27, 318, 411
• GCF of 80, 861, 150
• GCF of 18, 252, 840

1. What is the GCF of 30, 399, 309?

Answer: GCF of 30, 399, 309 is 3.

2. How to Find the GCF of 30, 399, 309

Answer: Greatest Common Factor(GCF) of 30, 399, 309 = 3

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

Step 2: Then multiply all the prime factors GCF(30, 399, 309) = 3.