Q: Is 63,973 a Prime Number?
A: No, 63,973 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 63973 can be evenly divided by 1 7 13 19 37 91 133 247 259 481 703 1,729 3,367 4,921 9,139 and 63,973, with no remainder.
Since 63,973 cannot be divided by just 1 and 63,973, it is not a prime number.