Q: Is 211,639 a Prime Number?
A: Yes, 211,639 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 211639 can be evenly divided by 1 and 211,639, with no remainder.
Since 211,639 can be divided by just 1 and 211,639, it is a prime number.