Q: Is 1,438,005 a Prime Number?
A: No, 1,438,005 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 1438005 can be evenly divided by 1 3 5 15 37 111 185 555 2,591 7,773 12,955 38,865 95,867 287,601 479,335 and 1,438,005, with no remainder.
Since 1,438,005 cannot be divided by just 1 and 1,438,005, it is not a prime number.