Q: Is 601,631 a Prime Number?
A: Yes, 601,631 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 601631 can be evenly divided by 1 and 601,631, with no remainder.
Since 601,631 can be divided by just 1 and 601,631, it is a prime number.