Q: Is 624,402 a Prime Number?
A: No, 624,402 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 624402 can be evenly divided by 1 2 3 6 9 18 27 31 54 62 93 186 279 373 558 746 837 1,119 1,674 2,238 3,357 6,714 10,071 11,563 20,142 23,126 34,689 69,378 104,067 208,134 312,201 and 624,402, with no remainder.
Since 624,402 cannot be divided by just 1 and 624,402, it is not a prime number.