Q: Is 124,125,309 a Composite Number?

Why is 124,125,309 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 124,125,309 can be evenly divided by 1 3 7 9 11 19 21 33 57 63 77 99 121 133 171 209 231 363 399 627 693 847 857 1,089 1,197 1,463 1,881 2,299 2,541 2,571 4,389 5,999 6,897 7,623 7,713 9,427 13,167 16,093 16,283 17,997 20,691 28,281 48,279 48,849 53,991 65,989 84,843 103,697 113,981 144,837 146,547 179,113 197,967 311,091 341,943 537,339 593,901 725,879 933,273 1,025,829 1,253,791 1,612,017 1,970,243 2,177,637 3,761,373 5,910,729 6,532,911 11,284,119 13,791,701 17,732,187 41,375,103 and 124,125,309, with no remainder.

Since 124,125,309 cannot be divided by just 1 and 124,125,309, 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).