Q: Is 1,540,005 a Prime Number?
A: No, 1,540,005 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 1540005 can be evenly divided by 1 3 5 15 102,667 308,001 513,335 and 1,540,005, with no remainder.
Since 1,540,005 cannot be divided by just 1 and 1,540,005, it is not a prime number.