Q: Is 421,578 a Composite Number?

 A: Yes, 421,578 is a composite number.

Why is 421,578 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 421,578 can be evenly divided by 1 2 3 6 9 18 27 37 54 74 111 211 222 333 422 633 666 999 1,266 1,899 1,998 3,798 5,697 7,807 11,394 15,614 23,421 46,842 70,263 140,526 210,789 and 421,578, with no remainder.

Since 421,578 cannot be divided by just 1 and 421,578, it is a composite number.


More Examples

Number 421,576421,577421,579421,580
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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