Q: Is 456,623 a Prime Number?
A: Yes, 456,623 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 456623 can be evenly divided by 1 and 456,623, with no remainder.
Since 456,623 can be divided by just 1 and 456,623, it is a prime number.