Q: Is 1,081,143 a Prime Number?
A: No, 1,081,143 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 1081143 can be evenly divided by 1 3 7 9 21 63 131 393 917 1,179 2,751 8,253 17,161 51,483 120,127 154,449 360,381 and 1,081,143, with no remainder.
Since 1,081,143 cannot be divided by just 1 and 1,081,143, it is not a prime number.