Q: Is 620,771 a Prime Number?
A: Yes, 620,771 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 620771 can be evenly divided by 1 and 620,771, with no remainder.
Since 620,771 can be divided by just 1 and 620,771, it is a prime number.