Q: Is 1,640,009 a Prime Number?
A: No, 1,640,009 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 1640009 can be evenly divided by 1 7 234,287 and 1,640,009, with no remainder.
Since 1,640,009 cannot be divided by just 1 and 1,640,009, it is not a prime number.