Q: Is 157,143 a Prime Number?
A: No, 157,143 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 157143 can be evenly divided by 1 3 7 21 49 147 1,069 3,207 7,483 22,449 52,381 and 157,143, with no remainder.
Since 157,143 cannot be divided by just 1 and 157,143, it is not a prime number.