Q: Is 31,201,020 a Composite Number?

Why is 31,201,020 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 31,201,020 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 97 180 194 291 388 485 582 873 970 1,164 1,455 1,746 1,787 1,940 2,910 3,492 3,574 4,365 5,361 5,820 7,148 8,730 8,935 10,722 16,083 17,460 17,870 21,444 26,805 32,166 35,740 53,610 64,332 80,415 107,220 160,830 173,339 321,660 346,678 520,017 693,356 866,695 1,040,034 1,560,051 1,733,390 2,080,068 2,600,085 3,120,102 3,466,780 5,200,170 6,240,204 7,800,255 10,400,340 15,600,510 and 31,201,020, with no remainder.

Since 31,201,020 cannot be divided by just 1 and 31,201,020, 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).