Q: Is 31,313,120 a Composite Number?

Why is 31,313,120 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 31,313,120 can be evenly divided by 1 2 4 5 8 10 16 20 23 32 40 46 67 80 92 115 127 134 160 184 230 254 268 335 368 460 508 536 635 670 736 920 1,016 1,072 1,270 1,340 1,541 1,840 2,032 2,144 2,540 2,680 2,921 3,082 3,680 4,064 5,080 5,360 5,842 6,164 7,705 8,509 10,160 10,720 11,684 12,328 14,605 15,410 17,018 20,320 23,368 24,656 29,210 30,820 34,036 42,545 46,736 49,312 58,420 61,640 68,072 85,090 93,472 116,840 123,280 136,144 170,180 195,707 233,680 246,560 272,288 340,360 391,414 467,360 680,720 782,828 978,535 1,361,440 1,565,656 1,957,070 3,131,312 3,914,140 6,262,624 7,828,280 15,656,560 and 31,313,120, with no remainder.

Since 31,313,120 cannot be divided by just 1 and 31,313,120, 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).