Q: Is 721,070 a Prime Number?
A: No, 721,070 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 721070 can be evenly divided by 1 2 5 7 10 14 35 70 10,301 20,602 51,505 72,107 103,010 144,214 360,535 and 721,070, with no remainder.
Since 721,070 cannot be divided by just 1 and 721,070, it is not a prime number.