Q: Is 624,216 a Prime Number?
A: No, 624,216 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 624216 can be evenly divided by 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 839 1,678 2,517 3,356 5,034 6,712 10,068 20,136 26,009 52,018 78,027 104,036 156,054 208,072 312,108 and 624,216, with no remainder.
Since 624,216 cannot be divided by just 1 and 624,216, it is not a prime number.