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