Q: Is 104,391 a Prime Number?
A: No, 104,391 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 104391 can be evenly divided by 1 3 7 9 21 63 1,657 4,971 11,599 14,913 34,797 and 104,391, with no remainder.
Since 104,391 cannot be divided by just 1 and 104,391, it is not a prime number.