Q: Is 1,387,709 a Prime Number?
A: No, 1,387,709 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 1387709 can be evenly divided by 1 601 2,309 and 1,387,709, with no remainder.
Since 1,387,709 cannot be divided by just 1 and 1,387,709, it is not a prime number.