Q: Is 1,671,616 a Prime Number?
A: No, 1,671,616 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 1671616 can be evenly divided by 1 2 4 8 16 32 64 26,119 52,238 104,476 208,952 417,904 835,808 and 1,671,616, with no remainder.
Since 1,671,616 cannot be divided by just 1 and 1,671,616, it is not a prime number.