Q: Is 620,945 a Prime Number?
A: No, 620,945 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 620945 can be evenly divided by 1 5 13 41 65 205 233 533 1,165 2,665 3,029 9,553 15,145 47,765 124,189 and 620,945, with no remainder.
Since 620,945 cannot be divided by just 1 and 620,945, it is not a prime number.