Q: Is 1,443,393 a Prime Number?
A: No, 1,443,393 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 1443393 can be evenly divided by 1 3 7 9 21 27 49 63 147 189 441 1,091 1,323 3,273 7,637 9,819 22,911 29,457 53,459 68,733 160,377 206,199 481,131 and 1,443,393, with no remainder.
Since 1,443,393 cannot be divided by just 1 and 1,443,393, it is not a prime number.