Q: Is 680,528 a Prime Number?
A: No, 680,528 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 680528 can be evenly divided by 1 2 4 8 16 42,533 85,066 170,132 340,264 and 680,528, with no remainder.
Since 680,528 cannot be divided by just 1 and 680,528, it is not a prime number.