Q: Is 338,655 a Prime Number?
A: No, 338,655 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 338655 can be evenly divided by 1 3 5 15 107 211 321 535 633 1,055 1,605 3,165 22,577 67,731 112,885 and 338,655, with no remainder.
Since 338,655 cannot be divided by just 1 and 338,655, it is not a prime number.