Q: Is 1,563,320 a Composite Number?

Why is 1,563,320 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 1,563,320 can be evenly divided by 1 2 4 5 8 10 11 17 19 20 22 34 38 40 44 55 68 76 85 88 95 110 121 136 152 170 187 190 209 220 242 323 340 374 380 418 440 484 605 646 680 748 760 836 935 968 1,045 1,210 1,292 1,496 1,615 1,672 1,870 2,057 2,090 2,299 2,420 2,584 3,230 3,553 3,740 4,114 4,180 4,598 4,840 6,460 7,106 7,480 8,228 8,360 9,196 10,285 11,495 12,920 14,212 16,456 17,765 18,392 20,570 22,990 28,424 35,530 39,083 41,140 45,980 71,060 78,166 82,280 91,960 142,120 156,332 195,415 312,664 390,830 781,660 and 1,563,320, with no remainder.

Since 1,563,320 cannot be divided by just 1 and 1,563,320, 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).