Q: Is 209,538 a Prime Number?
A: No, 209,538 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 209538 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 63 126 1,663 3,326 4,989 9,978 11,641 14,967 23,282 29,934 34,923 69,846 104,769 and 209,538, with no remainder.
Since 209,538 cannot be divided by just 1 and 209,538, it is not a prime number.