Q: Is 521,629 a Prime Number?
A: No, 521,629 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 521629 can be evenly divided by 1 89 5,861 and 521,629, with no remainder.
Since 521,629 cannot be divided by just 1 and 521,629, it is not a prime number.