Greatest Common Factor of 18, 51, 660

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

• Greatest Common Factor of 18, 51, 660 by common division method
• Greatest Common Factor of 18, 51, 660 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 18

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

1,2,3,6,9,18

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 660

List of positive integer factors of 660 that divides 660 without a remainder.

1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,110,132,165,220,330,660

Greatest Common Factor

We found the factors 18,51,660 . The biggest common factor number is the GCF number.
So the greatest common factor 18,51,660 is 3.

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

• GCF of 32, 70, 813
• GCF of 29, 34, 165
• GCF of 15, 40, 401
• GCF of 91, 96, 824
• GCF of 47, 23, 257

1. What is the GCF of 18, 51, 660?

Answer: GCF of 18, 51, 660 is 3.

2. How to Find the GCF of 18, 51, 660

Answer: Greatest Common Factor(GCF) of 18, 51, 660 = 3

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

Step 2: Then multiply all the prime factors GCF(18, 51, 660) = 3.