Greatest Common Factor of 720, 660, 390

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

• Greatest Common Factor of 720, 660, 390 by common division method
• Greatest Common Factor of 720, 660, 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 x 3 x 5 = 30

Factors of 720

List of positive integer factors of 720 that divides 720 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,36,40,45,48,60,72,80,90,120,144,180,240,360,720

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

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 720,660,390 . The biggest common factor number is the GCF number.
So the greatest common factor 720,660,390 is 30.

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

• GCF of 601, 624, 443
• GCF of 268, 330, 961
• GCF of 560, 826, 921
• GCF of 230, 965, 227
• GCF of 539, 467, 151

1. What is the GCF of 720, 660, 390?

Answer: GCF of 720, 660, 390 is 30.

2. How to Find the GCF of 720, 660, 390

Answer: Greatest Common Factor(GCF) of 720, 660, 390 = 30

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

Step 2: Then multiply all the prime factors GCF(720, 660, 390) = 30.