Q: Is 309,940 a Prime Number?
A: No, 309,940 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 309940 can be evenly divided by 1 2 4 5 10 20 15,497 30,994 61,988 77,485 154,970 and 309,940, with no remainder.
Since 309,940 cannot be divided by just 1 and 309,940, it is not a prime number.