Q: Is 72,788 a Prime Number?
A: No, 72,788 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 72788 can be evenly divided by 1 2 4 31 62 124 587 1,174 2,348 18,197 36,394 and 72,788, with no remainder.
Since 72,788 cannot be divided by just 1 and 72,788, it is not a prime number.