Q: Is 15,156,720 a Composite Number?

Why is 15,156,720 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 15,156,720 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 81 90 108 120 135 144 162 180 216 240 270 324 360 405 432 540 648 720 810 1,080 1,296 1,620 2,160 2,339 3,240 4,678 6,480 7,017 9,356 11,695 14,034 18,712 21,051 23,390 28,068 35,085 37,424 42,102 46,780 56,136 63,153 70,170 84,204 93,560 105,255 112,272 126,306 140,340 168,408 187,120 189,459 210,510 252,612 280,680 315,765 336,816 378,918 421,020 505,224 561,360 631,530 757,836 842,040 947,295 1,010,448 1,263,060 1,515,672 1,684,080 1,894,590 2,526,120 3,031,344 3,789,180 5,052,240 7,578,360 and 15,156,720, with no remainder.

Since 15,156,720 cannot be divided by just 1 and 15,156,720, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).