Q: Is 1,305,920 a Composite Number?

Why is 1,305,920 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 1,305,920 can be evenly divided by 1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 53 55 56 64 70 77 80 88 106 110 112 140 154 160 176 212 220 224 265 280 308 320 352 371 385 424 440 448 530 560 583 616 704 742 770 848 880 1,060 1,120 1,166 1,232 1,484 1,540 1,696 1,760 1,855 2,120 2,240 2,332 2,464 2,915 2,968 3,080 3,392 3,520 3,710 4,081 4,240 4,664 4,928 5,830 5,936 6,160 7,420 8,162 8,480 9,328 11,660 11,872 12,320 14,840 16,324 16,960 18,656 20,405 23,320 23,744 24,640 29,680 32,648 37,312 40,810 46,640 59,360 65,296 81,620 93,280 118,720 130,592 163,240 186,560 261,184 326,480 652,960 and 1,305,920, with no remainder.

Since 1,305,920 cannot be divided by just 1 and 1,305,920, 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).