Q: Is 2,643,628 a Prime Number?
A: No, 2,643,628 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 2643628 can be evenly divided by 1 2 4 13 26 52 50,839 101,678 203,356 660,907 1,321,814 and 2,643,628, with no remainder.
Since 2,643,628 cannot be divided by just 1 and 2,643,628, it is not a prime number.