Greatest Common Factor of 390, 198, 646

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

• Greatest Common Factor of 390, 198, 646 by common division method
• Greatest Common Factor of 390, 198, 646 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 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 198

List of positive integer factors of 198 that divides 198 without a remainder.

1,2,3,6,9,11,18,22,33,66,99,198

Factors of 646

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

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

Greatest Common Factor

We found the factors 390,198,646 . The biggest common factor number is the GCF number.
So the greatest common factor 390,198,646 is 2.

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

• GCF of 430, 390, 561
• GCF of 851, 267, 374
• GCF of 957, 245, 249
• GCF of 686, 285, 960
• GCF of 615, 707, 887

1. What is the GCF of 390, 198, 646?

Answer: GCF of 390, 198, 646 is 2.

2. How to Find the GCF of 390, 198, 646

Answer: Greatest Common Factor(GCF) of 390, 198, 646 = 2

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

Step 2: Then multiply all the prime factors GCF(390, 198, 646) = 2.