Greatest Common Factor of 208, 390, 18

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

• Greatest Common Factor of 208, 390, 18 by common division method
• Greatest Common Factor of 208, 390, 18 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 = 2

Factors of 208

List of positive integer factors of 208 that divides 208 without a remainder.

1,2,4,8,13,16,26,52,104,208

Factors of 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Factors of 18

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

1,2,3,6,9,18

Greatest Common Factor

We found the factors 208,390,18 . The biggest common factor number is the GCF number.
So the greatest common factor 208,390,18 is 2.

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

• GCF of 230, 323, 44
• GCF of 273, 524, 54
• GCF of 203, 689, 21
• GCF of 779, 891, 52
• GCF of 566, 409, 17

1. What is the GCF of 208, 390, 18?

Answer: GCF of 208, 390, 18 is 2.

2. How to Find the GCF of 208, 390, 18

Answer: Greatest Common Factor(GCF) of 208, 390, 18 = 2

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

Step 2: Then multiply all the prime factors GCF(208, 390, 18) = 2.