Q: Is 1,666,267 a Prime Number?
A: No, 1,666,267 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 1666267 can be evenly divided by 1 53 149 211 7,897 11,183 31,439 and 1,666,267, with no remainder.
Since 1,666,267 cannot be divided by just 1 and 1,666,267, it is not a prime number.