Q: Is 3,340,431 a Prime Number?
A: No, 3,340,431 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 3340431 can be evenly divided by 1 3 9 47 53 141 149 159 423 447 477 1,341 2,491 7,003 7,473 7,897 21,009 22,419 23,691 63,027 71,073 371,159 1,113,477 and 3,340,431, with no remainder.
Since 3,340,431 cannot be divided by just 1 and 3,340,431, it is not a prime number.