Q: Is 12,240 a Prime Number?
A: No, 12,240 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 12240 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 34 36 40 45 48 51 60 68 72 80 85 90 102 120 136 144 153 170 180 204 240 255 272 306 340 360 408 510 612 680 720 765 816 1,020 1,224 1,360 1,530 2,040 2,448 3,060 4,080 6,120 and 12,240, with no remainder.
Since 12,240 cannot be divided by just 1 and 12,240, it is not a prime number.