Q: Is 211,870 a Prime Number?
A: No, 211,870 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 211870 can be evenly divided by 1 2 5 10 21,187 42,374 105,935 and 211,870, with no remainder.
Since 211,870 cannot be divided by just 1 and 211,870, it is not a prime number.