Q: Is 366,666 a Prime Number?
A: No, 366,666 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 366666 can be evenly divided by 1 2 3 6 23 46 69 138 2,657 5,314 7,971 15,942 61,111 122,222 183,333 and 366,666, with no remainder.
Since 366,666 cannot be divided by just 1 and 366,666, it is not a prime number.