Q: Is 328,520 a Prime Number?
A: No, 328,520 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 328520 can be evenly divided by 1 2 4 5 8 10 20 40 43 86 172 191 215 344 382 430 764 860 955 1,528 1,720 1,910 3,820 7,640 8,213 16,426 32,852 41,065 65,704 82,130 164,260 and 328,520, with no remainder.
Since 328,520 cannot be divided by just 1 and 328,520, it is not a prime number.