Q: Is 102,858 a Prime Number?
A: No, 102,858 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 102858 can be evenly divided by 1 2 3 6 7 14 21 31 42 62 79 93 158 186 217 237 434 474 553 651 1,106 1,302 1,659 2,449 3,318 4,898 7,347 14,694 17,143 34,286 51,429 and 102,858, with no remainder.
Since 102,858 cannot be divided by just 1 and 102,858, it is not a prime number.