Q: Is 339,980 a Prime Number?
A: No, 339,980 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 339980 can be evenly divided by 1 2 4 5 10 20 89 178 191 356 382 445 764 890 955 1,780 1,910 3,820 16,999 33,998 67,996 84,995 169,990 and 339,980, with no remainder.
Since 339,980 cannot be divided by just 1 and 339,980, it is not a prime number.