Q: Is 309,975 a Prime Number?

 A: No, 309,975 is not a prime number.

Why is 309,975 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 309975 can be evenly divided by 1 3 5 15 25 75 4,133 12,399 20,665 61,995 103,325 and 309,975, with no remainder.

Since 309,975 cannot be divided by just 1 and 309,975, it is not a prime number.


More Examples

Number 309,973309,974309,976309,977
Prime? nononoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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