Q: Is 648,960 a Composite Number?

Why is 648,960 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 648,960 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 128 130 156 160 169 192 195 208 240 256 260 312 320 338 384 390 416 480 507 520 624 640 676 768 780 832 845 960 1,014 1,040 1,248 1,280 1,352 1,560 1,664 1,690 1,920 2,028 2,080 2,496 2,535 2,704 3,120 3,328 3,380 3,840 4,056 4,160 4,992 5,070 5,408 6,240 6,760 8,112 8,320 9,984 10,140 10,816 12,480 13,520 16,224 16,640 20,280 21,632 24,960 27,040 32,448 40,560 43,264 49,920 54,080 64,896 81,120 108,160 129,792 162,240 216,320 324,480 and 648,960, with no remainder.

Since 648,960 cannot be divided by just 1 and 648,960, 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).