Q: Is 509,078 a Prime Number?
A: No, 509,078 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 509078 can be evenly divided by 1 2 331 662 769 1,538 254,539 and 509,078, with no remainder.
Since 509,078 cannot be divided by just 1 and 509,078, it is not a prime number.