Q: Is 408,840 a Prime Number?
A: No, 408,840 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 408840 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 3,407 6,814 10,221 13,628 17,035 20,442 27,256 34,070 40,884 51,105 68,140 81,768 102,210 136,280 204,420 and 408,840, with no remainder.
Since 408,840 cannot be divided by just 1 and 408,840, it is not a prime number.