Q: Is 15,553,320 a Composite Number?

Why is 15,553,320 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 15,553,320 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 31 37 40 60 62 74 93 111 113 120 124 148 155 185 186 222 226 248 296 310 339 370 372 444 452 465 555 565 620 678 740 744 888 904 930 1,110 1,130 1,147 1,240 1,356 1,480 1,695 1,860 2,220 2,260 2,294 2,712 3,390 3,441 3,503 3,720 4,181 4,440 4,520 4,588 5,735 6,780 6,882 7,006 8,362 9,176 10,509 11,470 12,543 13,560 13,764 14,012 16,724 17,205 17,515 20,905 21,018 22,940 25,086 27,528 28,024 33,448 34,410 35,030 41,810 42,036 45,880 50,172 52,545 62,715 68,820 70,060 83,620 84,072 100,344 105,090 125,430 129,611 137,640 140,120 167,240 210,180 250,860 259,222 388,833 420,360 501,720 518,444 648,055 777,666 1,036,888 1,296,110 1,555,332 1,944,165 2,592,220 3,110,664 3,888,330 5,184,440 7,776,660 and 15,553,320, with no remainder.

Since 15,553,320 cannot be divided by just 1 and 15,553,320, 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).