Q: Is 16,555 a Prime Number?
A: No, 16,555 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 16555 can be evenly divided by 1 5 7 11 35 43 55 77 215 301 385 473 1,505 2,365 3,311 and 16,555, with no remainder.
Since 16,555 cannot be divided by just 1 and 16,555, it is not a prime number.