Q: Is 31,045,320 a Composite Number?

Why is 31,045,320 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 31,045,320 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 83 90 120 166 180 249 332 360 415 498 664 747 830 996 1,039 1,245 1,494 1,660 1,992 2,078 2,490 2,988 3,117 3,320 3,735 4,156 4,980 5,195 5,976 6,234 7,470 8,312 9,351 9,960 10,390 12,468 14,940 15,585 18,702 20,780 24,936 29,880 31,170 37,404 41,560 46,755 62,340 74,808 86,237 93,510 124,680 172,474 187,020 258,711 344,948 374,040 431,185 517,422 689,896 776,133 862,370 1,034,844 1,293,555 1,552,266 1,724,740 2,069,688 2,587,110 3,104,532 3,449,480 3,880,665 5,174,220 6,209,064 7,761,330 10,348,440 15,522,660 and 31,045,320, with no remainder.

Since 31,045,320 cannot be divided by just 1 and 31,045,320, 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).