Q: Is 321,280 a Composite Number?

 A: Yes, 321,280 is a composite number.

Why is 321,280 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 321,280 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 251 256 320 502 640 1,004 1,255 1,280 2,008 2,510 4,016 5,020 8,032 10,040 16,064 20,080 32,128 40,160 64,256 80,320 160,640 and 321,280, with no remainder.

Since 321,280 cannot be divided by just 1 and 321,280, it is a composite number.


More Examples

Number 321,278321,279321,281321,282
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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