Q: Is 2,664,216 a Prime Number?
A: No, 2,664,216 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 2664216 can be evenly divided by 1 2 3 4 6 8 9 12 18 24 36 72 37,003 74,006 111,009 148,012 222,018 296,024 333,027 444,036 666,054 888,072 1,332,108 and 2,664,216, with no remainder.
Since 2,664,216 cannot be divided by just 1 and 2,664,216, it is not a prime number.