Q: Is 509,288 a Prime Number?
A: No, 509,288 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 509288 can be evenly divided by 1 2 4 8 13 26 52 59 83 104 118 166 236 332 472 664 767 1,079 1,534 2,158 3,068 4,316 4,897 6,136 8,632 9,794 19,588 39,176 63,661 127,322 254,644 and 509,288, with no remainder.
Since 509,288 cannot be divided by just 1 and 509,288, it is not a prime number.