Q: Is 20,413,640 a Composite Number?

Why is 20,413,640 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 20,413,640 can be evenly divided by 1 2 4 5 8 10 13 20 26 37 40 52 65 74 104 130 148 185 260 296 370 481 520 740 962 1,061 1,480 1,924 2,122 2,405 3,848 4,244 4,810 5,305 8,488 9,620 10,610 13,793 19,240 21,220 27,586 39,257 42,440 55,172 68,965 78,514 110,344 137,930 157,028 196,285 275,860 314,056 392,570 510,341 551,720 785,140 1,020,682 1,570,280 2,041,364 2,551,705 4,082,728 5,103,410 10,206,820 and 20,413,640, with no remainder.

Since 20,413,640 cannot be divided by just 1 and 20,413,640, 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).