Q: Is 2,840,661 a Prime Number?
A: No, 2,840,661 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 2840661 can be evenly divided by 1 3 9 23 69 207 13,723 41,169 123,507 315,629 946,887 and 2,840,661, with no remainder.
Since 2,840,661 cannot be divided by just 1 and 2,840,661, it is not a prime number.