Q: Is 21,140 a Composite Number?

 A: Yes, 21,140 is a composite number.

Why is 21,140 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 21,140 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 151 302 604 755 1,057 1,510 2,114 3,020 4,228 5,285 10,570 and 21,140, with no remainder.

Since 21,140 cannot be divided by just 1 and 21,140, it is a composite number.


More Examples

Number 21,13821,13921,14121,142
Composite? yesnoyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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