Q: Is 258,090 a Prime Number?
A: No, 258,090 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 258090 can be evenly divided by 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1,229 2,458 3,687 6,145 7,374 8,603 12,290 17,206 18,435 25,809 36,870 43,015 51,618 86,030 129,045 and 258,090, with no remainder.
Since 258,090 cannot be divided by just 1 and 258,090, it is not a prime number.