Q: Is 12,121,120 a Composite Number?

Why is 12,121,120 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 12,121,120 can be evenly divided by 1 2 4 5 8 10 11 16 20 22 32 40 44 55 71 80 88 97 110 142 160 176 194 220 284 352 355 388 440 485 568 710 776 781 880 970 1,067 1,136 1,420 1,552 1,562 1,760 1,940 2,134 2,272 2,840 3,104 3,124 3,880 3,905 4,268 5,335 5,680 6,248 6,887 7,760 7,810 8,536 10,670 11,360 12,496 13,774 15,520 15,620 17,072 21,340 24,992 27,548 31,240 34,144 34,435 42,680 55,096 62,480 68,870 75,757 85,360 110,192 124,960 137,740 151,514 170,720 220,384 275,480 303,028 378,785 550,960 606,056 757,570 1,101,920 1,212,112 1,515,140 2,424,224 3,030,280 6,060,560 and 12,121,120, with no remainder.

Since 12,121,120 cannot be divided by just 1 and 12,121,120, 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).