Greatest Common Factor of 999, 390, 420

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

• Greatest Common Factor of 999, 390, 420 by common division method
• Greatest Common Factor of 999, 390, 420 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 999

List of positive integer factors of 999 that divides 999 without a remainder.

1,3,9,27,37,111,333,999

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 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Greatest Common Factor

We found the factors 999,390,420 . The biggest common factor number is the GCF number.
So the greatest common factor 999,390,420 is 3.

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

• GCF of 422, 727, 265
• GCF of 287, 331, 807
• GCF of 642, 784, 493
• GCF of 673, 882, 507
• GCF of 328, 369, 327

1. What is the GCF of 999, 390, 420?

Answer: GCF of 999, 390, 420 is 3.

2. How to Find the GCF of 999, 390, 420

Answer: Greatest Common Factor(GCF) of 999, 390, 420 = 3

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

Step 2: Then multiply all the prime factors GCF(999, 390, 420) = 3.