Q: Is 12,445,875 a Composite Number?

Why is 12,445,875 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 12,445,875 can be evenly divided by 1 3 5 9 13 15 23 25 37 39 45 65 69 75 111 115 117 125 185 195 207 225 299 325 333 345 375 481 555 575 585 851 897 925 975 1,035 1,125 1,443 1,495 1,625 1,665 1,725 2,405 2,553 2,691 2,775 2,875 2,925 4,255 4,329 4,485 4,625 4,875 5,175 7,215 7,475 7,659 8,325 8,625 11,063 12,025 12,765 13,455 13,875 14,625 21,275 21,645 22,425 25,875 33,189 36,075 37,375 38,295 41,625 55,315 60,125 63,825 67,275 99,567 106,375 108,225 112,125 165,945 180,375 191,475 276,575 319,125 336,375 497,835 541,125 829,725 957,375 1,382,875 2,489,175 4,148,625 and 12,445,875, with no remainder.

Since 12,445,875 cannot be divided by just 1 and 12,445,875, 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).