Q: Is 528,315 a Prime Number?
A: No, 528,315 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 528315 can be evenly divided by 1 3 5 15 35,221 105,663 176,105 and 528,315, with no remainder.
Since 528,315 cannot be divided by just 1 and 528,315, it is not a prime number.