Q: Is 608,623 a Prime Number?
A: No, 608,623 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 608623 can be evenly divided by 1 29 31 677 899 19,633 20,987 and 608,623, with no remainder.
Since 608,623 cannot be divided by just 1 and 608,623, it is not a prime number.