Q: Is 216,018 a Prime Number?
A: No, 216,018 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 216018 can be evenly divided by 1 2 3 6 9 11 18 22 33 66 99 198 1,091 2,182 3,273 6,546 9,819 12,001 19,638 24,002 36,003 72,006 108,009 and 216,018, with no remainder.
Since 216,018 cannot be divided by just 1 and 216,018, it is not a prime number.