Q: Is 72,105 a Composite Number?

 A: Yes, 72,105 is a composite number.

Why is 72,105 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 72,105 can be evenly divided by 1 3 5 11 15 19 23 33 55 57 69 95 115 165 209 253 285 345 437 627 759 1,045 1,265 1,311 2,185 3,135 3,795 4,807 6,555 14,421 24,035 and 72,105, with no remainder.

Since 72,105 cannot be divided by just 1 and 72,105, it is a composite number.


More Examples

Number 72,10372,10472,10672,107
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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