Q: Is 216,240 a Prime Number?
A: No, 216,240 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 216240 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 53 60 68 80 85 102 106 120 136 159 170 204 212 240 255 265 272 318 340 408 424 510 530 636 680 795 816 848 901 1,020 1,060 1,272 1,360 1,590 1,802 2,040 2,120 2,544 2,703 3,180 3,604 4,080 4,240 4,505 5,406 6,360 7,208 9,010 10,812 12,720 13,515 14,416 18,020 21,624 27,030 36,040 43,248 54,060 72,080 108,120 and 216,240, with no remainder.
Since 216,240 cannot be divided by just 1 and 216,240, it is not a prime number.