Q: Is 138,915 a Composite Number?

 A: Yes, 138,915 is a composite number.

Why is 138,915 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 138,915 can be evenly divided by 1 3 5 7 9 15 21 27 35 45 49 63 81 105 135 147 189 245 315 343 405 441 567 735 945 1,029 1,323 1,715 2,205 2,835 3,087 3,969 5,145 6,615 9,261 15,435 19,845 27,783 46,305 and 138,915, with no remainder.

Since 138,915 cannot be divided by just 1 and 138,915, it is a composite number.


More Examples

Number 138,913138,914138,916138,917
Composite? yesyesyesno
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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