Q: Is 405,990 a Composite Number?

 A: Yes, 405,990 is a composite number.

Why is 405,990 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 405,990 can be evenly divided by 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 347 390 585 694 1,041 1,170 1,735 2,082 3,123 3,470 4,511 5,205 6,246 9,022 10,410 13,533 15,615 22,555 27,066 31,230 40,599 45,110 67,665 81,198 135,330 202,995 and 405,990, with no remainder.

Since 405,990 cannot be divided by just 1 and 405,990, it is a composite number.


More Examples

Number 405,988405,989405,991405,992
Composite? yesnonoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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