Q: Is 366,665 a Prime Number?
A: No, 366,665 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 366665 can be evenly divided by 1 5 13 65 5,641 28,205 73,333 and 366,665, with no remainder.
Since 366,665 cannot be divided by just 1 and 366,665, it is not a prime number.