Greatest Common Factor of 720, 405, 30

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

• Greatest Common Factor of 720, 405, 30 by common division method
• Greatest Common Factor of 720, 405, 30 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 x 5 = 15

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 405

List of positive integer factors of 405 that divides 405 without a remainder.

1,3,5,9,15,27,45,81,135,405

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Greatest Common Factor

We found the factors 720,405,30 . The biggest common factor number is the GCF number.
So the greatest common factor 720,405,30 is 15.

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

• GCF of 421, 626, 57
• GCF of 592, 911, 95
• GCF of 536, 338, 81
• GCF of 582, 247, 46
• GCF of 947, 338, 94

1. What is the GCF of 720, 405, 30?

Answer: GCF of 720, 405, 30 is 15.

2. How to Find the GCF of 720, 405, 30

Answer: Greatest Common Factor(GCF) of 720, 405, 30 = 15

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

Step 2: Then multiply all the prime factors GCF(720, 405, 30) = 15.