Q: Is 11,155,040 a Composite Number?

Why is 11,155,040 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 11,155,040 can be evenly divided by 1 2 4 5 8 10 13 16 20 26 31 32 40 52 62 65 80 104 124 130 155 160 173 208 248 260 310 346 403 416 496 520 620 692 806 865 992 1,040 1,240 1,384 1,612 1,730 2,015 2,080 2,249 2,480 2,768 3,224 3,460 4,030 4,498 4,960 5,363 5,536 6,448 6,920 8,060 8,996 10,726 11,245 12,896 13,840 16,120 17,992 21,452 22,490 26,815 27,680 32,240 35,984 42,904 44,980 53,630 64,480 69,719 71,968 85,808 89,960 107,260 139,438 171,616 179,920 214,520 278,876 348,595 359,840 429,040 557,752 697,190 858,080 1,115,504 1,394,380 2,231,008 2,788,760 5,577,520 and 11,155,040, with no remainder.

Since 11,155,040 cannot be divided by just 1 and 11,155,040, 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).