Q: Is 209,308 a Prime Number?
A: No, 209,308 is 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 209308 can be evenly divided by 1 2 4 11 22 44 67 71 134 142 268 284 737 781 1,474 1,562 2,948 3,124 4,757 9,514 19,028 52,327 104,654 and 209,308, with no remainder.
Since 209,308 cannot be divided by just 1 and 209,308, it is not a prime number.