Q: Is 211,855 a Prime Number?
A: No, 211,855 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 211855 can be evenly divided by 1 5 7 35 6,053 30,265 42,371 and 211,855, with no remainder.
Since 211,855 cannot be divided by just 1 and 211,855, it is not a prime number.