Q: Is 2,449,920 a Composite Number?

Why is 2,449,920 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 2,449,920 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 29 30 32 33 40 44 48 55 58 60 64 66 80 87 88 96 110 116 120 128 132 145 160 165 174 176 192 220 232 240 256 264 290 319 320 330 348 352 384 435 440 464 480 512 528 580 638 640 660 696 704 768 870 880 928 957 960 1,056 1,160 1,276 1,280 1,320 1,392 1,408 1,536 1,595 1,740 1,760 1,856 1,914 1,920 2,112 2,320 2,552 2,560 2,640 2,784 2,816 3,190 3,480 3,520 3,712 3,828 3,840 4,224 4,640 4,785 5,104 5,280 5,568 5,632 6,380 6,960 7,040 7,424 7,656 7,680 8,448 9,280 9,570 10,208 10,560 11,136 12,760 13,920 14,080 14,848 15,312 16,896 18,560 19,140 20,416 21,120 22,272 25,520 27,840 28,160 30,624 37,120 38,280 40,832 42,240 44,544 51,040 55,680 61,248 74,240 76,560 81,664 84,480 102,080 111,360 122,496 153,120 163,328 204,160 222,720 244,992 306,240 408,320 489,984 612,480 816,640 1,224,960 and 2,449,920, with no remainder.

Since 2,449,920 cannot be divided by just 1 and 2,449,920, 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).