Q: Is 309,375 a Composite Number?

 A: Yes, 309,375 is a composite number.

Why is 309,375 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 309,375 can be evenly divided by 1 3 5 9 11 15 25 33 45 55 75 99 125 165 225 275 375 495 625 825 1,125 1,375 1,875 2,475 3,125 4,125 5,625 6,875 9,375 12,375 20,625 28,125 34,375 61,875 103,125 and 309,375, with no remainder.

Since 309,375 cannot be divided by just 1 and 309,375, it is a composite number.


More Examples

Number 309,373309,374309,376309,377
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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