Q: Is 620,787 a Prime Number?
A: No, 620,787 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 620787 can be evenly divided by 1 3 19 57 10,891 32,673 206,929 and 620,787, with no remainder.
Since 620,787 cannot be divided by just 1 and 620,787, it is not a prime number.