Q: Is 3,421,821 a Prime Number?
A: No, 3,421,821 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 3421821 can be evenly divided by 1 3 13 39 87,739 263,217 1,140,607 and 3,421,821, with no remainder.
Since 3,421,821 cannot be divided by just 1 and 3,421,821, it is not a prime number.