Q: Is 620,790 a Prime Number?
A: No, 620,790 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 620790 can be evenly divided by 1 2 3 5 6 10 15 30 20,693 41,386 62,079 103,465 124,158 206,930 310,395 and 620,790, with no remainder.
Since 620,790 cannot be divided by just 1 and 620,790, it is not a prime number.