Q: Is 388,440 a Prime Number?
A: No, 388,440 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 388440 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 30 36 39 40 45 52 60 65 72 78 83 90 104 117 120 130 156 166 180 195 234 249 260 312 332 360 390 415 468 498 520 585 664 747 780 830 936 996 1,079 1,170 1,245 1,494 1,560 1,660 1,992 2,158 2,340 2,490 2,988 3,237 3,320 3,735 4,316 4,680 4,980 5,395 5,976 6,474 7,470 8,632 9,711 9,960 10,790 12,948 14,940 16,185 19,422 21,580 25,896 29,880 32,370 38,844 43,160 48,555 64,740 77,688 97,110 129,480 194,220 and 388,440, with no remainder.
Since 388,440 cannot be divided by just 1 and 388,440, it is not a prime number.