Q: Is 620,528 a Prime Number?
A: No, 620,528 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 620528 can be evenly divided by 1 2 4 8 16 38,783 77,566 155,132 310,264 and 620,528, with no remainder.
Since 620,528 cannot be divided by just 1 and 620,528, it is not a prime number.