Q: Is 309,604 a Prime Number?
A: No, 309,604 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 309604 can be evenly divided by 1 2 4 17 29 34 58 68 116 157 314 493 628 986 1,972 2,669 4,553 5,338 9,106 10,676 18,212 77,401 154,802 and 309,604, with no remainder.
Since 309,604 cannot be divided by just 1 and 309,604, it is not a prime number.