Q: Is 216,788 a Prime Number?
A: No, 216,788 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 216788 can be evenly divided by 1 2 4 11 13 22 26 44 52 143 286 379 572 758 1,516 4,169 4,927 8,338 9,854 16,676 19,708 54,197 108,394 and 216,788, with no remainder.
Since 216,788 cannot be divided by just 1 and 216,788, it is not a prime number.