Q: Is 528,520 a Prime Number?
A: No, 528,520 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 528520 can be evenly divided by 1 2 4 5 8 10 20 40 73 146 181 292 362 365 584 724 730 905 1,448 1,460 1,810 2,920 3,620 7,240 13,213 26,426 52,852 66,065 105,704 132,130 264,260 and 528,520, with no remainder.
Since 528,520 cannot be divided by just 1 and 528,520, it is not a prime number.