Q: Is 1,521,066 a Prime Number?
A: No, 1,521,066 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 1521066 can be evenly divided by 1 2 3 6 79 158 237 474 3,209 6,418 9,627 19,254 253,511 507,022 760,533 and 1,521,066, with no remainder.
Since 1,521,066 cannot be divided by just 1 and 1,521,066, it is not a prime number.