Q: Is 2,742,645 a Prime Number?
A: No, 2,742,645 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 2742645 can be evenly divided by 1 3 5 15 67 201 335 1,005 2,729 8,187 13,645 40,935 182,843 548,529 914,215 and 2,742,645, with no remainder.
Since 2,742,645 cannot be divided by just 1 and 2,742,645, it is not a prime number.