Q: Is 4,006,143 a Prime Number?
A: No, 4,006,143 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 4006143 can be evenly divided by 1 3 9 241 723 1,847 2,169 5,541 16,623 445,127 1,335,381 and 4,006,143, with no remainder.
Since 4,006,143 cannot be divided by just 1 and 4,006,143, it is not a prime number.