Q: Is 3,420,387 a Prime Number?
A: No, 3,420,387 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 3420387 can be evenly divided by 1 3 9 27 81 42,227 126,681 380,043 1,140,129 and 3,420,387, with no remainder.
Since 3,420,387 cannot be divided by just 1 and 3,420,387, it is not a prime number.