Q: Is 30,135,105 a Composite Number?

Why is 30,135,105 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 30,135,105 can be evenly divided by 1 3 5 7 9 11 13 15 21 27 33 35 39 45 55 63 65 77 91 99 105 117 135 143 165 189 195 223 231 273 297 315 351 385 429 455 495 585 669 693 715 819 945 1,001 1,115 1,155 1,287 1,365 1,485 1,561 1,755 2,007 2,079 2,145 2,453 2,457 2,899 3,003 3,345 3,465 3,861 4,095 4,683 5,005 6,021 6,435 7,359 7,805 8,697 9,009 10,035 10,395 12,265 12,285 14,049 14,495 15,015 17,171 19,305 20,293 22,077 23,415 26,091 27,027 30,105 31,889 36,795 42,147 43,485 45,045 51,513 60,879 66,231 70,245 78,273 85,855 95,667 101,465 110,385 130,455 135,135 154,539 159,445 182,637 210,735 223,223 257,565 287,001 304,395 331,155 391,365 463,617 478,335 547,911 669,669 772,695 861,003 913,185 1,116,115 1,435,005 2,009,007 2,318,085 2,739,555 3,348,345 4,305,015 6,027,021 10,045,035 and 30,135,105, with no remainder.

Since 30,135,105 cannot be divided by just 1 and 30,135,105, 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).