Q: Is 211,628 a Prime Number?
A: No, 211,628 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 211628 can be evenly divided by 1 2 4 191 277 382 554 764 1,108 52,907 105,814 and 211,628, with no remainder.
Since 211,628 cannot be divided by just 1 and 211,628, it is not a prime number.