Q: Is 245,605,122 a Composite Number?

Why is 245,605,122 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 245,605,122 can be evenly divided by 1 2 3 6 7 9 14 18 21 27 42 54 63 81 109 126 162 189 218 327 378 567 654 763 981 1,134 1,526 1,962 1,987 2,289 2,943 3,974 4,578 5,886 5,961 6,867 8,829 11,922 13,734 13,909 17,658 17,883 20,601 27,818 35,766 41,202 41,727 53,649 61,803 83,454 107,298 123,606 125,181 160,947 216,583 250,362 321,894 375,543 433,166 649,749 751,086 1,126,629 1,299,498 1,516,081 1,949,247 2,253,258 3,032,162 3,898,494 4,548,243 5,847,741 9,096,486 11,695,482 13,644,729 17,543,223 27,289,458 35,086,446 40,934,187 81,868,374 122,802,561 and 245,605,122, with no remainder.

Since 245,605,122 cannot be divided by just 1 and 245,605,122, 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).