Q: Is 21,042,530 a Composite Number?

 A: Yes, 21,042,530 is a composite number.

Why is 21,042,530 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 21,042,530 can be evenly divided by 1 2 5 10 131 262 655 1,310 16,063 32,126 80,315 160,630 2,104,253 4,208,506 10,521,265 and 21,042,530, with no remainder.

Since 21,042,530 cannot be divided by just 1 and 21,042,530, it is a composite number.


More Examples

Number 21,042,52821,042,52921,042,53121,042,532
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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