Q: Is 1,247,040 a Composite Number?

Why is 1,247,040 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 1,247,040 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 433 480 576 720 866 960 1,299 1,440 1,732 2,165 2,598 2,880 3,464 3,897 4,330 5,196 6,495 6,928 7,794 8,660 10,392 12,990 13,856 15,588 17,320 19,485 20,784 25,980 27,712 31,176 34,640 38,970 41,568 51,960 62,352 69,280 77,940 83,136 103,920 124,704 138,560 155,880 207,840 249,408 311,760 415,680 623,520 and 1,247,040, with no remainder.

Since 1,247,040 cannot be divided by just 1 and 1,247,040, 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).