Q: Is 1,671,618 a Prime Number?
A: No, 1,671,618 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 1671618 can be evenly divided by 1 2 3 6 13 26 29 39 58 78 87 174 377 739 754 1,131 1,478 2,217 2,262 4,434 9,607 19,214 21,431 28,821 42,862 57,642 64,293 128,586 278,603 557,206 835,809 and 1,671,618, with no remainder.
Since 1,671,618 cannot be divided by just 1 and 1,671,618, it is not a prime number.