Q: Is 133,428 a Prime Number?
A: No, 133,428 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 133428 can be evenly divided by 1 2 3 4 6 12 11,119 22,238 33,357 44,476 66,714 and 133,428, with no remainder.
Since 133,428 cannot be divided by just 1 and 133,428, it is not a prime number.