Q: Is 155,665 a Prime Number?
A: No, 155,665 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 155665 can be evenly divided by 1 5 163 191 815 955 31,133 and 155,665, with no remainder.
Since 155,665 cannot be divided by just 1 and 155,665, it is not a prime number.