Q: Is 13,122,972 a Composite Number?

Why is 13,122,972 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 13,122,972 can be evenly divided by 1 2 3 4 6 9 12 18 23 27 36 46 54 69 81 92 108 138 162 207 243 276 324 414 486 587 621 828 972 1,174 1,242 1,761 1,863 2,348 2,484 3,522 3,726 5,283 5,589 7,044 7,452 10,566 11,178 13,501 15,849 21,132 22,356 27,002 31,698 40,503 47,547 54,004 63,396 81,006 95,094 121,509 142,641 162,012 190,188 243,018 285,282 364,527 486,036 570,564 729,054 1,093,581 1,458,108 2,187,162 3,280,743 4,374,324 6,561,486 and 13,122,972, with no remainder.

Since 13,122,972 cannot be divided by just 1 and 13,122,972, 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).