Q: Is 2,005,428 a Prime Number?
A: No, 2,005,428 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 2005428 can be evenly divided by 1 2 3 4 6 12 167,119 334,238 501,357 668,476 1,002,714 and 2,005,428, with no remainder.
Since 2,005,428 cannot be divided by just 1 and 2,005,428, it is not a prime number.