Greatest Common Factor of 405, 390, 630

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

• Greatest Common Factor of 405, 390, 630 by common division method
• Greatest Common Factor of 405, 390, 630 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 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 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 630

List of positive integer factors of 630 that divides 630 without a remainder.

1,2,3,5,6,7,9,10,14,15,18,21,30,35,42,45,63,70,90,105,126,210,315,630

Greatest Common Factor

We found the factors 405,390,630 . The biggest common factor number is the GCF number.
So the greatest common factor 405,390,630 is 15.

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

• GCF of 196, 727, 613
• GCF of 790, 633, 819
• GCF of 893, 871, 817
• GCF of 849, 475, 114
• GCF of 395, 650, 937

1. What is the GCF of 405, 390, 630?

Answer: GCF of 405, 390, 630 is 15.

2. How to Find the GCF of 405, 390, 630

Answer: Greatest Common Factor(GCF) of 405, 390, 630 = 15

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

Step 2: Then multiply all the prime factors GCF(405, 390, 630) = 15.