Q: Is 31,663,120 a Composite Number?

Why is 31,663,120 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 31,663,120 can be evenly divided by 1 2 4 5 8 10 16 19 20 37 38 40 74 76 80 95 148 152 185 190 296 304 370 380 563 592 703 740 760 1,126 1,406 1,480 1,520 2,252 2,812 2,815 2,960 3,515 4,504 5,624 5,630 7,030 9,008 10,697 11,248 11,260 14,060 20,831 21,394 22,520 28,120 41,662 42,788 45,040 53,485 56,240 83,324 85,576 104,155 106,970 166,648 171,152 208,310 213,940 333,296 395,789 416,620 427,880 791,578 833,240 855,760 1,583,156 1,666,480 1,978,945 3,166,312 3,957,890 6,332,624 7,915,780 15,831,560 and 31,663,120, with no remainder.

Since 31,663,120 cannot be divided by just 1 and 31,663,120, 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).