Greatest Common Factor of 18, 646, 390

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

• Greatest Common Factor of 18, 646, 390 by common division method
• Greatest Common Factor of 18, 646, 390 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 18

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

1,2,3,6,9,18

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

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

Greatest Common Factor

We found the factors 18,646,390 . The biggest common factor number is the GCF number.
So the greatest common factor 18,646,390 is 2.

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

• GCF of 87, 806, 851
• GCF of 11, 792, 524
• GCF of 24, 846, 346
• GCF of 80, 328, 538
• GCF of 44, 446, 148

1. What is the GCF of 18, 646, 390?

Answer: GCF of 18, 646, 390 is 2.

2. How to Find the GCF of 18, 646, 390

Answer: Greatest Common Factor(GCF) of 18, 646, 390 = 2

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

Step 2: Then multiply all the prime factors GCF(18, 646, 390) = 2.