Q: Is 345,019 a Prime Number?

A: Yes, 345,019 is a prime number.

Why is 345,019 a prime number?

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

The number 345019 can be evenly divided by 1 and 345,019, with no remainder.

Since 345,019 can be divided by just 1 and 345,019, it is a prime number.

Number	345,017	345,018	345,020	345,021
Prime?	yes	no	no	no

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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