Q: Is 621,769 a Prime Number?
A: Yes, 621,769 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 621769 can be evenly divided by 1 and 621,769, with no remainder.
Since 621,769 can be divided by just 1 and 621,769, it is a prime number.