Q: Is 31,185 a Composite Number?

 A: Yes, 31,185 is a composite number.

Why is 31,185 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 31,185 can be evenly divided by 1 3 5 7 9 11 15 21 27 33 35 45 55 63 77 81 99 105 135 165 189 231 297 315 385 405 495 567 693 891 945 1,155 1,485 2,079 2,835 3,465 4,455 6,237 10,395 and 31,185, with no remainder.

Since 31,185 cannot be divided by just 1 and 31,185, it is a composite number.


More Examples

Number 31,18331,18431,18631,187
Composite? noyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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