Q: Is 1,646,880 a Composite Number?

Why is 1,646,880 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 1,646,880 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 47 48 60 73 80 94 96 120 141 146 160 188 219 235 240 282 292 365 376 438 470 480 564 584 705 730 752 876 940 1,095 1,128 1,168 1,410 1,460 1,504 1,752 1,880 2,190 2,256 2,336 2,820 2,920 3,431 3,504 3,760 4,380 4,512 5,640 5,840 6,862 7,008 7,520 8,760 10,293 11,280 11,680 13,724 17,155 17,520 20,586 22,560 27,448 34,310 35,040 41,172 51,465 54,896 68,620 82,344 102,930 109,792 137,240 164,688 205,860 274,480 329,376 411,720 548,960 823,440 and 1,646,880, with no remainder.

Since 1,646,880 cannot be divided by just 1 and 1,646,880, 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).