Q: Is 1,558,242 a Prime Number?
A: No, 1,558,242 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 1558242 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 63 83 126 149 166 249 298 447 498 581 747 894 1,043 1,162 1,341 1,494 1,743 2,086 2,682 3,129 3,486 5,229 6,258 9,387 10,458 12,367 18,774 24,734 37,101 74,202 86,569 111,303 173,138 222,606 259,707 519,414 779,121 and 1,558,242, with no remainder.
Since 1,558,242 cannot be divided by just 1 and 1,558,242, it is not a prime number.