Q: Is 2,743,143 a Prime Number?
A: No, 2,743,143 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 2743143 can be evenly divided by 1 3 13 37 39 111 481 1,443 1,901 5,703 24,713 70,337 74,139 211,011 914,381 and 2,743,143, with no remainder.
Since 2,743,143 cannot be divided by just 1 and 2,743,143, it is not a prime number.