Q: Is 867,840 a Composite Number?

Why is 867,840 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 867,840 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 113 120 128 160 192 226 240 256 320 339 384 452 480 512 565 640 678 768 904 960 1,130 1,280 1,356 1,536 1,695 1,808 1,920 2,260 2,560 2,712 3,390 3,616 3,840 4,520 5,424 6,780 7,232 7,680 9,040 10,848 13,560 14,464 18,080 21,696 27,120 28,928 36,160 43,392 54,240 57,856 72,320 86,784 108,480 144,640 173,568 216,960 289,280 433,920 and 867,840, with no remainder.

Since 867,840 cannot be divided by just 1 and 867,840, 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).