Q: Is 338,428 a Prime Number?
A: No, 338,428 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 338428 can be evenly divided by 1 2 4 19 38 61 73 76 122 146 244 292 1,159 1,387 2,318 2,774 4,453 4,636 5,548 8,906 17,812 84,607 169,214 and 338,428, with no remainder.
Since 338,428 cannot be divided by just 1 and 338,428, it is not a prime number.