Q: Is 339,440 a Prime Number?
A: No, 339,440 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 339440 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 4,243 8,486 16,972 21,215 33,944 42,430 67,888 84,860 169,720 and 339,440, with no remainder.
Since 339,440 cannot be divided by just 1 and 339,440, it is not a prime number.