Q: Is 538,628 a Prime Number?
A: No, 538,628 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 538628 can be evenly divided by 1 2 4 17 34 68 89 178 356 1,513 3,026 6,052 7,921 15,842 31,684 134,657 269,314 and 538,628, with no remainder.
Since 538,628 cannot be divided by just 1 and 538,628, it is not a prime number.