Q: Is 1,077,543 a Prime Number?
A: No, 1,077,543 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 1077543 can be evenly divided by 1 3 9 27 53 81 159 251 477 753 1,431 2,259 4,293 6,777 13,303 20,331 39,909 119,727 359,181 and 1,077,543, with no remainder.
Since 1,077,543 cannot be divided by just 1 and 1,077,543, it is not a prime number.