Q: Is 554,428 a Prime Number?
A: No, 554,428 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 554428 can be evenly divided by 1 2 4 7 14 28 19,801 39,602 79,204 138,607 277,214 and 554,428, with no remainder.
Since 554,428 cannot be divided by just 1 and 554,428, it is not a prime number.