Q: Is 21,240,040 a Composite Number?

 A: Yes, 21,240,040 is a composite number.

Why is 21,240,040 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 21,240,040 can be evenly divided by 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 23,087 46,174 92,348 115,435 184,696 230,870 461,740 531,001 923,480 1,062,002 2,124,004 2,655,005 4,248,008 5,310,010 10,620,020 and 21,240,040, with no remainder.

Since 21,240,040 cannot be divided by just 1 and 21,240,040, it is a composite number.


More Examples

Number 21,240,03821,240,03921,240,04121,240,042
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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