Q: Is 11,520 a Prime Number?
A: No, 11,520 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 11520 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 576 640 720 768 960 1,152 1,280 1,440 1,920 2,304 2,880 3,840 5,760 and 11,520, with no remainder.
Since 11,520 cannot be divided by just 1 and 11,520, it is not a prime number.