Q: Is 637,319 a Prime Number?
A: Yes, 637,319 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 637319 can be evenly divided by 1 and 637,319, with no remainder.
Since 637,319 can be divided by just 1 and 637,319, it is a prime number.