Q: Is 18,642 a Prime Number?
A: No, 18,642 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 18642 can be evenly divided by 1 2 3 6 13 26 39 78 239 478 717 1,434 3,107 6,214 9,321 and 18,642, with no remainder.
Since 18,642 cannot be divided by just 1 and 18,642, it is not a prime number.