Q: Is 308,420 a Prime Number?
A: No, 308,420 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 308420 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 2,203 4,406 8,812 11,015 15,421 22,030 30,842 44,060 61,684 77,105 154,210 and 308,420, with no remainder.
Since 308,420 cannot be divided by just 1 and 308,420, it is not a prime number.