Q: Is 215,040 a Prime Number?
A: No, 215,040 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 215040 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 256 280 320 336 384 420 448 480 512 560 640 672 768 840 896 960 1,024 1,120 1,280 1,344 1,536 1,680 1,792 1,920 2,048 2,240 2,560 2,688 3,072 3,360 3,584 3,840 4,480 5,120 5,376 6,144 6,720 7,168 7,680 8,960 10,240 10,752 13,440 14,336 15,360 17,920 21,504 26,880 30,720 35,840 43,008 53,760 71,680 107,520 and 215,040, with no remainder.
Since 215,040 cannot be divided by just 1 and 215,040, it is not a prime number.