Q: Is 55,778 a Prime Number?
A: No, 55,778 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 55778 can be evenly divided by 1 2 167 334 27,889 and 55,778, with no remainder.
Since 55,778 cannot be divided by just 1 and 55,778, it is not a prime number.