Q: Is 509,994 a Prime Number?
A: No, 509,994 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 509994 can be evenly divided by 1 2 3 6 9 18 29 58 87 174 261 522 977 1,954 2,931 5,862 8,793 17,586 28,333 56,666 84,999 169,998 254,997 and 509,994, with no remainder.
Since 509,994 cannot be divided by just 1 and 509,994, it is not a prime number.