Q: Is 139,321 a Prime Number?
A: No, 139,321 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 139321 can be evenly divided by 1 7 13 91 1,531 10,717 19,903 and 139,321, with no remainder.
Since 139,321 cannot be divided by just 1 and 139,321, it is not a prime number.