Q: Is 31,137,860 a Composite Number?

Why is 31,137,860 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 31,137,860 can be evenly divided by 1 2 4 5 10 13 20 23 26 41 46 52 65 82 92 115 127 130 164 205 230 254 260 299 410 460 508 533 598 635 820 943 1,066 1,196 1,270 1,495 1,651 1,886 2,132 2,540 2,665 2,921 2,990 3,302 3,772 4,715 5,207 5,330 5,842 5,980 6,604 8,255 9,430 10,414 10,660 11,684 12,259 14,605 16,510 18,860 20,828 24,518 26,035 29,210 33,020 37,973 49,036 52,070 58,420 61,295 67,691 75,946 104,140 119,761 122,590 135,382 151,892 189,865 239,522 245,180 270,764 338,455 379,730 479,044 598,805 676,910 759,460 1,197,610 1,353,820 1,556,893 2,395,220 3,113,786 6,227,572 7,784,465 15,568,930 and 31,137,860, with no remainder.

Since 31,137,860 cannot be divided by just 1 and 31,137,860, 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).