Q: Is 438,428 a Prime Number?
A: No, 438,428 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 438428 can be evenly divided by 1 2 4 43 86 172 2,549 5,098 10,196 109,607 219,214 and 438,428, with no remainder.
Since 438,428 cannot be divided by just 1 and 438,428, it is not a prime number.