Q: Is 242,858 a Prime Number?
A: No, 242,858 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 242858 can be evenly divided by 1 2 7 11 14 19 22 38 77 83 133 154 166 209 266 418 581 913 1,162 1,463 1,577 1,826 2,926 3,154 6,391 11,039 12,782 17,347 22,078 34,694 121,429 and 242,858, with no remainder.
Since 242,858 cannot be divided by just 1 and 242,858, it is not a prime number.