Q: Is 618,671 a Prime Number?
A: Yes, 618,671 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 618671 can be evenly divided by 1 and 618,671, with no remainder.
Since 618,671 can be divided by just 1 and 618,671, it is a prime number.