Q: Is 2,742,309 a Prime Number?
A: No, 2,742,309 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 2742309 can be evenly divided by 1 3 9 27 47 141 423 1,269 2,161 6,483 19,449 58,347 101,567 304,701 914,103 and 2,742,309, with no remainder.
Since 2,742,309 cannot be divided by just 1 and 2,742,309, it is not a prime number.