Q: Is 20,536,720 a Composite Number?

Why is 20,536,720 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 20,536,720 can be evenly divided by 1 2 4 5 8 10 16 19 20 38 40 59 76 80 95 118 152 190 229 236 295 304 380 458 472 590 760 916 944 1,121 1,145 1,180 1,520 1,832 2,242 2,290 2,360 3,664 4,351 4,484 4,580 4,720 5,605 8,702 8,968 9,160 11,210 13,511 17,404 17,936 18,320 21,755 22,420 27,022 34,808 43,510 44,840 54,044 67,555 69,616 87,020 89,680 108,088 135,110 174,040 216,176 256,709 270,220 348,080 513,418 540,440 1,026,836 1,080,880 1,283,545 2,053,672 2,567,090 4,107,344 5,134,180 10,268,360 and 20,536,720, with no remainder.

Since 20,536,720 cannot be divided by just 1 and 20,536,720, 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).