Q: Is 3,628,401 a Prime Number?
A: No, 3,628,401 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 3628401 can be evenly divided by 1 3 7 21 49 147 24,683 74,049 172,781 518,343 1,209,467 and 3,628,401, with no remainder.
Since 3,628,401 cannot be divided by just 1 and 3,628,401, it is not a prime number.