Q: Is 339,855 a Prime Number?
A: No, 339,855 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 339855 can be evenly divided by 1 3 5 15 139 163 417 489 695 815 2,085 2,445 22,657 67,971 113,285 and 339,855, with no remainder.
Since 339,855 cannot be divided by just 1 and 339,855, it is not a prime number.