Q: Is 342,057 a Prime Number?
A: No, 342,057 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 342057 can be evenly divided by 1 3 17 19 51 57 323 353 969 1,059 6,001 6,707 18,003 20,121 114,019 and 342,057, with no remainder.
Since 342,057 cannot be divided by just 1 and 342,057, it is not a prime number.