Q: Is 407,920 a Prime Number?
A: No, 407,920 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 407920 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 5,099 10,198 20,396 25,495 40,792 50,990 81,584 101,980 203,960 and 407,920, with no remainder.
Since 407,920 cannot be divided by just 1 and 407,920, it is not a prime number.