Q: Is 300,428 a Prime Number?
A: No, 300,428 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 300428 can be evenly divided by 1 2 4 19 38 59 67 76 118 134 236 268 1,121 1,273 2,242 2,546 3,953 4,484 5,092 7,906 15,812 75,107 150,214 and 300,428, with no remainder.
Since 300,428 cannot be divided by just 1 and 300,428, it is not a prime number.