Q: Is 212,857 a Prime Number?
A: No, 212,857 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 212857 can be evenly divided by 1 17 19 323 659 11,203 12,521 and 212,857, with no remainder.
Since 212,857 cannot be divided by just 1 and 212,857, it is not a prime number.