Q: Is 345,204 a Prime Number?
A: No, 345,204 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 345204 can be evenly divided by 1 2 3 4 6 9 12 18 36 43 86 129 172 223 258 387 446 516 669 774 892 1,338 1,548 2,007 2,676 4,014 8,028 9,589 19,178 28,767 38,356 57,534 86,301 115,068 172,602 and 345,204, with no remainder.
Since 345,204 cannot be divided by just 1 and 345,204, it is not a prime number.