Q: Is 660,428 a Prime Number?
A: No, 660,428 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 660428 can be evenly divided by 1 2 4 41 82 164 4,027 8,054 16,108 165,107 330,214 and 660,428, with no remainder.
Since 660,428 cannot be divided by just 1 and 660,428, it is not a prime number.