Q: Is 211,580 a Prime Number?
A: No, 211,580 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 211580 can be evenly divided by 1 2 4 5 10 20 71 142 149 284 298 355 596 710 745 1,420 1,490 2,980 10,579 21,158 42,316 52,895 105,790 and 211,580, with no remainder.
Since 211,580 cannot be divided by just 1 and 211,580, it is not a prime number.