Q: Is 103,721 a Prime Number?
A: No, 103,721 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 103721 can be evenly divided by 1 19 53 103 1,007 1,957 5,459 and 103,721, with no remainder.
Since 103,721 cannot be divided by just 1 and 103,721, it is not a prime number.