Q: Is 1,379,840 a Composite Number?

Why is 1,379,840 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 1,379,840 can be evenly divided by 1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 49 55 56 64 70 77 80 88 98 110 112 128 140 154 160 176 196 220 224 245 256 280 308 320 352 385 392 440 448 490 512 539 560 616 640 704 770 784 880 896 980 1,078 1,120 1,232 1,280 1,408 1,540 1,568 1,760 1,792 1,960 2,156 2,240 2,464 2,560 2,695 2,816 3,080 3,136 3,520 3,584 3,920 4,312 4,480 4,928 5,390 5,632 6,160 6,272 7,040 7,840 8,624 8,960 9,856 10,780 12,320 12,544 14,080 15,680 17,248 17,920 19,712 21,560 24,640 25,088 28,160 31,360 34,496 39,424 43,120 49,280 62,720 68,992 86,240 98,560 125,440 137,984 172,480 197,120 275,968 344,960 689,920 and 1,379,840, with no remainder.

Since 1,379,840 cannot be divided by just 1 and 1,379,840, 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).