Q: Is 2,789,920 a Composite Number?

Why is 2,789,920 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 2,789,920 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 47 53 56 70 80 94 106 112 140 160 188 212 224 235 265 280 329 371 376 424 470 530 560 658 742 752 848 940 1,060 1,120 1,316 1,484 1,504 1,645 1,696 1,855 1,880 2,120 2,491 2,632 2,968 3,290 3,710 3,760 4,240 4,982 5,264 5,936 6,580 7,420 7,520 8,480 9,964 10,528 11,872 12,455 13,160 14,840 17,437 19,928 24,910 26,320 29,680 34,874 39,856 49,820 52,640 59,360 69,748 79,712 87,185 99,640 139,496 174,370 199,280 278,992 348,740 398,560 557,984 697,480 1,394,960 and 2,789,920, with no remainder.

Since 2,789,920 cannot be divided by just 1 and 2,789,920, 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).