Q: Is 140,428 a Prime Number?
A: No, 140,428 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 140428 can be evenly divided by 1 2 4 35,107 70,214 and 140,428, with no remainder.
Since 140,428 cannot be divided by just 1 and 140,428, it is not a prime number.