Q: Is 115,143 a Prime Number?
A: No, 115,143 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 115143 can be evenly divided by 1 3 7 21 5,483 16,449 38,381 and 115,143, with no remainder.
Since 115,143 cannot be divided by just 1 and 115,143, it is not a prime number.