Q: Is 3,221,025 a Prime Number?
A: No, 3,221,025 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 3221025 can be evenly divided by 1 3 5 15 25 67 75 201 335 641 1,005 1,675 1,923 3,205 5,025 9,615 16,025 42,947 48,075 128,841 214,735 644,205 1,073,675 and 3,221,025, with no remainder.
Since 3,221,025 cannot be divided by just 1 and 3,221,025, it is not a prime number.