Q: Is 425,428 a Prime Number?
A: No, 425,428 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 425428 can be evenly divided by 1 2 4 106,357 212,714 and 425,428, with no remainder.
Since 425,428 cannot be divided by just 1 and 425,428, it is not a prime number.