Q: Is 528,428 a Prime Number?
A: No, 528,428 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 528428 can be evenly divided by 1 2 4 17 19 34 38 68 76 323 409 646 818 1,292 1,636 6,953 7,771 13,906 15,542 27,812 31,084 132,107 264,214 and 528,428, with no remainder.
Since 528,428 cannot be divided by just 1 and 528,428, it is not a prime number.