Q: Is 43,157 a Prime Number?
A: No, 43,157 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 43157 can be evenly divided by 1 103 419 and 43,157, with no remainder.
Since 43,157 cannot be divided by just 1 and 43,157, it is not a prime number.