Q: Is 13,440 a Prime Number?
A: No, 13,440 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 13440 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 96 105 112 120 128 140 160 168 192 210 224 240 280 320 336 384 420 448 480 560 640 672 840 896 960 1,120 1,344 1,680 1,920 2,240 2,688 3,360 4,480 6,720 and 13,440, with no remainder.
Since 13,440 cannot be divided by just 1 and 13,440, it is not a prime number.