Q: Is 1,388,838 a Prime Number?
A: No, 1,388,838 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 1388838 can be evenly divided by 1 2 3 6 11 22 33 66 121 242 363 726 1,913 3,826 5,739 11,478 21,043 42,086 63,129 126,258 231,473 462,946 694,419 and 1,388,838, with no remainder.
Since 1,388,838 cannot be divided by just 1 and 1,388,838, it is not a prime number.