Q: Is 617,647 a Prime Number?
A: Yes, 617,647 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 617647 can be evenly divided by 1 and 617,647, with no remainder.
Since 617,647 can be divided by just 1 and 617,647, it is a prime number.