Q: Is 1,618,960 a Composite Number?

Why is 1,618,960 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 1,618,960 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 59 70 80 98 112 118 140 196 236 245 280 295 343 392 413 472 490 560 590 686 784 826 944 980 1,180 1,372 1,652 1,715 1,960 2,065 2,360 2,744 2,891 3,304 3,430 3,920 4,130 4,720 5,488 5,782 6,608 6,860 8,260 11,564 13,720 14,455 16,520 20,237 23,128 27,440 28,910 33,040 40,474 46,256 57,820 80,948 101,185 115,640 161,896 202,370 231,280 323,792 404,740 809,480 and 1,618,960, with no remainder.

Since 1,618,960 cannot be divided by just 1 and 1,618,960, 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).