Q: Is 3,378,438 a Prime Number?
A: No, 3,378,438 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 3378438 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 63 126 26,813 53,626 80,439 160,878 187,691 241,317 375,382 482,634 563,073 1,126,146 1,689,219 and 3,378,438, with no remainder.
Since 3,378,438 cannot be divided by just 1 and 3,378,438, it is not a prime number.