Q: Is 2,731,743 a Prime Number?
A: No, 2,731,743 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 2731743 can be evenly divided by 1 3 7 9 21 63 131 331 393 917 993 1,179 2,317 2,751 2,979 6,951 8,253 20,853 43,361 130,083 303,527 390,249 910,581 and 2,731,743, with no remainder.
Since 2,731,743 cannot be divided by just 1 and 2,731,743, it is not a prime number.