Q: Is 1,388,615 a Prime Number?
A: No, 1,388,615 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 1388615 can be evenly divided by 1 5 19 47 95 235 311 893 1,555 4,465 5,909 14,617 29,545 73,085 277,723 and 1,388,615, with no remainder.
Since 1,388,615 cannot be divided by just 1 and 1,388,615, it is not a prime number.