Q: Is 721,201 a Prime Number?
A: No, 721,201 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 721201 can be evenly divided by 1 13 29 377 1,913 24,869 55,477 and 721,201, with no remainder.
Since 721,201 cannot be divided by just 1 and 721,201, it is not a prime number.