Q: Is 2,645,428 a Prime Number?
A: No, 2,645,428 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 2645428 can be evenly divided by 1 2 4 67 134 268 9,871 19,742 39,484 661,357 1,322,714 and 2,645,428, with no remainder.
Since 2,645,428 cannot be divided by just 1 and 2,645,428, it is not a prime number.