Q: Is 561,960 a Composite Number?

Why is 561,960 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 561,960 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 72 84 90 105 120 126 140 168 180 210 223 252 280 315 360 420 446 504 630 669 840 892 1,115 1,260 1,338 1,561 1,784 2,007 2,230 2,520 2,676 3,122 3,345 4,014 4,460 4,683 5,352 6,244 6,690 7,805 8,028 8,920 9,366 10,035 12,488 13,380 14,049 15,610 16,056 18,732 20,070 23,415 26,760 28,098 31,220 37,464 40,140 46,830 56,196 62,440 70,245 80,280 93,660 112,392 140,490 187,320 280,980 and 561,960, with no remainder.

Since 561,960 cannot be divided by just 1 and 561,960, 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).