Q: Is 11,605 a Prime Number?
A: No, 11,605 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 11605 can be evenly divided by 1 5 11 55 211 1,055 2,321 and 11,605, with no remainder.
Since 11,605 cannot be divided by just 1 and 11,605, it is not a prime number.