Q: Is 123,540 a Composite Number?

 A: Yes, 123,540 is a composite number.

Why is 123,540 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 123,540 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 29 30 58 60 71 87 116 142 145 174 213 284 290 348 355 426 435 580 710 852 870 1,065 1,420 1,740 2,059 2,130 4,118 4,260 6,177 8,236 10,295 12,354 20,590 24,708 30,885 41,180 61,770 and 123,540, with no remainder.

Since 123,540 cannot be divided by just 1 and 123,540, it is a composite number.


More Examples

Number 123,538123,539123,541123,542
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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