Q: Is 558,040 a Prime Number?
A: No, 558,040 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 558040 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1,993 3,986 7,972 9,965 13,951 15,944 19,930 27,902 39,860 55,804 69,755 79,720 111,608 139,510 279,020 and 558,040, with no remainder.
Since 558,040 cannot be divided by just 1 and 558,040, it is not a prime number.