Q: Is 1,388,992 a Prime Number?
A: No, 1,388,992 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 1388992 can be evenly divided by 1 2 4 8 11 16 22 32 44 64 88 176 352 704 1,973 3,946 7,892 15,784 21,703 31,568 43,406 63,136 86,812 126,272 173,624 347,248 694,496 and 1,388,992, with no remainder.
Since 1,388,992 cannot be divided by just 1 and 1,388,992, it is not a prime number.