Q: Is 321,540 a Composite Number?

 A: Yes, 321,540 is a composite number.

Why is 321,540 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 321,540 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 233 276 345 460 466 690 699 932 1,165 1,380 1,398 2,330 2,796 3,495 4,660 5,359 6,990 10,718 13,980 16,077 21,436 26,795 32,154 53,590 64,308 80,385 107,180 160,770 and 321,540, with no remainder.

Since 321,540 cannot be divided by just 1 and 321,540, it is a composite number.


More Examples

Number 321,538321,539321,541321,542
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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