Q: Is 21,402,490 a Composite Number?

 A: Yes, 21,402,490 is a composite number.

Why is 21,402,490 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 21,402,490 can be evenly divided by 1 2 5 10 17 34 85 170 125,897 251,794 629,485 1,258,970 2,140,249 4,280,498 10,701,245 and 21,402,490, with no remainder.

Since 21,402,490 cannot be divided by just 1 and 21,402,490, it is a composite number.


More Examples

Number 21,402,48821,402,48921,402,49121,402,492
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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