Q: Is 516,628 a Prime Number?
A: No, 516,628 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 516628 can be evenly divided by 1 2 4 7 14 28 18,451 36,902 73,804 129,157 258,314 and 516,628, with no remainder.
Since 516,628 cannot be divided by just 1 and 516,628, it is not a prime number.