Q: Is 42,405 a Composite Number?

 A: Yes, 42,405 is a composite number.

Why is 42,405 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 42,405 can be evenly divided by 1 3 5 11 15 33 55 165 257 771 1,285 2,827 3,855 8,481 14,135 and 42,405, with no remainder.

Since 42,405 cannot be divided by just 1 and 42,405, it is a composite number.


More Examples

Number 42,40342,40442,40642,407
Composite? noyesyesno
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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