Q: Is 15,873 a Prime Number?
A: No, 15,873 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 15873 can be evenly divided by 1 3 11 13 33 37 39 111 143 407 429 481 1,221 1,443 5,291 and 15,873, with no remainder.
Since 15,873 cannot be divided by just 1 and 15,873, it is not a prime number.