Q: Is 31,712,520 a Composite Number?

Why is 31,712,520 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 31,712,520 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 19 20 21 24 28 30 35 38 40 42 56 57 60 70 76 84 95 105 114 120 133 140 152 168 190 210 228 266 280 285 380 399 420 456 532 570 665 760 798 840 1,064 1,140 1,330 1,596 1,987 1,995 2,280 2,660 3,192 3,974 3,990 5,320 5,961 7,948 7,980 9,935 11,922 13,909 15,896 15,960 19,870 23,844 27,818 29,805 37,753 39,740 41,727 47,688 55,636 59,610 69,545 75,506 79,480 83,454 111,272 113,259 119,220 139,090 151,012 166,908 188,765 208,635 226,518 238,440 264,271 278,180 302,024 333,816 377,530 417,270 453,036 528,542 556,360 566,295 755,060 792,813 834,540 906,072 1,057,084 1,132,590 1,321,355 1,510,120 1,585,626 1,669,080 2,114,168 2,265,180 2,642,710 3,171,252 3,964,065 4,530,360 5,285,420 6,342,504 7,928,130 10,570,840 15,856,260 and 31,712,520, with no remainder.

Since 31,712,520 cannot be divided by just 1 and 31,712,520, 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).