Q: Is 12,355 a Prime Number?
A: No, 12,355 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 12355 can be evenly divided by 1 5 7 35 353 1,765 2,471 and 12,355, with no remainder.
Since 12,355 cannot be divided by just 1 and 12,355, it is not a prime number.