Q: Is 1,258,248 a Prime Number?
A: No, 1,258,248 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 1258248 can be evenly divided by 1 2 3 4 6 8 12 24 103 206 309 412 509 618 824 1,018 1,236 1,527 2,036 2,472 3,054 4,072 6,108 12,216 52,427 104,854 157,281 209,708 314,562 419,416 629,124 and 1,258,248, with no remainder.
Since 1,258,248 cannot be divided by just 1 and 1,258,248, it is not a prime number.