Q: Is 20,703,240 a Composite Number?

Why is 20,703,240 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 20,703,240 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 131 180 262 360 393 439 524 655 786 878 1,048 1,179 1,310 1,317 1,572 1,756 1,965 2,195 2,358 2,620 2,634 3,144 3,512 3,930 3,951 4,390 4,716 5,240 5,268 5,895 6,585 7,860 7,902 8,780 9,432 10,536 11,790 13,170 15,720 15,804 17,560 19,755 23,580 26,340 31,608 39,510 47,160 52,680 57,509 79,020 115,018 158,040 172,527 230,036 287,545 345,054 460,072 517,581 575,090 690,108 862,635 1,035,162 1,150,180 1,380,216 1,725,270 2,070,324 2,300,360 2,587,905 3,450,540 4,140,648 5,175,810 6,901,080 10,351,620 and 20,703,240, with no remainder.

Since 20,703,240 cannot be divided by just 1 and 20,703,240, 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).