Q: Is 211,555 a Prime Number?
A: No, 211,555 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 211555 can be evenly divided by 1 5 29 145 1,459 7,295 42,311 and 211,555, with no remainder.
Since 211,555 cannot be divided by just 1 and 211,555, it is not a prime number.