Q: Is 16,428 a Prime Number?
A: No, 16,428 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 16428 can be evenly divided by 1 2 3 4 6 12 37 74 111 148 222 444 1,369 2,738 4,107 5,476 8,214 and 16,428, with no remainder.
Since 16,428 cannot be divided by just 1 and 16,428, it is not a prime number.