Q: Is 121,210,110 a Composite Number?

Why is 121,210,110 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 121,210,110 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 421 457 630 842 914 1,263 1,371 2,105 2,285 2,526 2,742 2,947 3,199 3,789 4,113 4,210 4,570 5,894 6,315 6,398 6,855 7,578 8,226 8,841 9,597 12,630 13,710 14,735 15,995 17,682 18,945 19,194 20,565 26,523 28,791 29,470 31,990 37,890 41,130 44,205 47,985 53,046 57,582 88,410 95,970 132,615 143,955 192,397 265,230 287,910 384,794 577,191 961,985 1,154,382 1,346,779 1,731,573 1,923,970 2,693,558 2,885,955 3,463,146 4,040,337 5,771,910 6,733,895 8,080,674 8,657,865 12,121,011 13,467,790 17,315,730 20,201,685 24,242,022 40,403,370 60,605,055 and 121,210,110, with no remainder.

Since 121,210,110 cannot be divided by just 1 and 121,210,110, 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).