Q: Is 1,664,037 a Prime Number?
A: No, 1,664,037 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 1664037 can be evenly divided by 1 3 9 27 61,631 184,893 554,679 and 1,664,037, with no remainder.
Since 1,664,037 cannot be divided by just 1 and 1,664,037, it is not a prime number.