Q: Is 211,218 a Prime Number?
A: No, 211,218 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 211218 can be evenly divided by 1 2 3 6 7 14 21 42 47 94 107 141 214 282 321 329 642 658 749 987 1,498 1,974 2,247 4,494 5,029 10,058 15,087 30,174 35,203 70,406 105,609 and 211,218, with no remainder.
Since 211,218 cannot be divided by just 1 and 211,218, it is not a prime number.