Q: Is 667,071 a Prime Number?
A: No, 667,071 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 667071 can be evenly divided by 1 3 9 19 47 57 83 141 171 249 423 747 893 1,577 2,679 3,901 4,731 8,037 11,703 14,193 35,109 74,119 222,357 and 667,071, with no remainder.
Since 667,071 cannot be divided by just 1 and 667,071, it is not a prime number.