Q: Is 408,720 a Prime Number?
A: No, 408,720 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 408720 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 131 156 195 208 240 260 262 312 390 393 520 524 624 655 780 786 1,040 1,048 1,310 1,560 1,572 1,703 1,965 2,096 2,620 3,120 3,144 3,406 3,930 5,109 5,240 6,288 6,812 7,860 8,515 10,218 10,480 13,624 15,720 17,030 20,436 25,545 27,248 31,440 34,060 40,872 51,090 68,120 81,744 102,180 136,240 204,360 and 408,720, with no remainder.
Since 408,720 cannot be divided by just 1 and 408,720, it is not a prime number.