Q: Is 321,555 a Composite Number?

 A: Yes, 321,555 is a composite number.

Why is 321,555 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 321,555 can be evenly divided by 1 3 5 13 15 17 39 51 65 85 97 195 221 255 291 485 663 1,105 1,261 1,455 1,649 3,315 3,783 4,947 6,305 8,245 18,915 21,437 24,735 64,311 107,185 and 321,555, with no remainder.

Since 321,555 cannot be divided by just 1 and 321,555, it is a composite number.


More Examples

Number 321,553321,554321,556321,557
Composite? noyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

Explore more about the number 321,555:


Ask a Question