Q: Is 121,531,011 a Composite Number?

Why is 121,531,011 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 121,531,011 can be evenly divided by 1 3 7 17 19 21 23 41 51 57 69 119 123 133 161 287 323 357 361 391 399 437 483 697 779 861 943 969 1,083 1,173 1,311 2,091 2,261 2,337 2,527 2,737 2,829 3,059 4,879 5,453 6,137 6,601 6,783 7,429 7,581 8,211 8,303 9,177 13,243 14,637 14,801 16,031 16,359 17,917 18,411 19,803 22,287 24,909 39,729 42,959 44,403 48,093 52,003 53,751 58,121 92,701 103,607 112,217 125,419 128,877 141,151 156,009 174,363 251,617 278,103 304,589 310,821 336,651 340,423 376,257 423,453 754,851 913,767 988,057 1,021,269 1,761,319 2,132,123 2,382,961 2,964,171 5,283,957 5,787,191 6,396,369 7,148,883 17,361,573 40,510,337 and 121,531,011, with no remainder.

Since 121,531,011 cannot be divided by just 1 and 121,531,011, 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).