Q: Is 247,509 a Prime Number?
A: No, 247,509 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 247509 can be evenly divided by 1 3 9 27 89 103 267 309 801 927 2,403 2,781 9,167 27,501 82,503 and 247,509, with no remainder.
Since 247,509 cannot be divided by just 1 and 247,509, it is not a prime number.