Q: Is 72,216 a Prime Number?
A: No, 72,216 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 72216 can be evenly divided by 1 2 3 4 6 8 9 12 17 18 24 34 36 51 59 68 72 102 118 136 153 177 204 236 306 354 408 472 531 612 708 1,003 1,062 1,224 1,416 2,006 2,124 3,009 4,012 4,248 6,018 8,024 9,027 12,036 18,054 24,072 36,108 and 72,216, with no remainder.
Since 72,216 cannot be divided by just 1 and 72,216, it is not a prime number.