Q: Is 4,003,406 a Prime Number?
A: No, 4,003,406 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 4003406 can be evenly divided by 1 2 11 22 71 121 142 233 242 466 781 1,562 2,563 5,126 8,591 16,543 17,182 28,193 33,086 56,386 181,973 363,946 2,001,703 and 4,003,406, with no remainder.
Since 4,003,406 cannot be divided by just 1 and 4,003,406, it is not a prime number.