Q: Is 409,440 a Prime Number?
A: No, 409,440 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 409440 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 853 1,706 2,559 3,412 4,265 5,118 6,824 8,530 10,236 12,795 13,648 17,060 20,472 25,590 27,296 34,120 40,944 51,180 68,240 81,888 102,360 136,480 204,720 and 409,440, with no remainder.
Since 409,440 cannot be divided by just 1 and 409,440, it is not a prime number.