Q: Is 165,809,175 a Composite Number?

Why is 165,809,175 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 165,809,175 can be evenly divided by 1 3 5 7 15 21 25 35 53 59 75 101 105 159 175 177 265 295 303 371 413 505 525 707 795 885 1,113 1,239 1,325 1,475 1,515 1,855 2,065 2,121 2,525 3,127 3,535 3,975 4,425 5,353 5,565 5,959 6,195 7,575 9,275 9,381 10,325 10,605 15,635 16,059 17,675 17,877 21,889 26,765 27,825 29,795 30,975 37,471 41,713 46,905 53,025 65,667 78,175 80,295 89,385 109,445 112,413 125,139 133,825 148,975 187,355 208,565 234,525 315,827 328,335 401,475 446,925 547,225 562,065 625,695 936,775 947,481 1,042,825 1,579,135 1,641,675 2,210,789 2,810,325 3,128,475 4,737,405 6,632,367 7,895,675 11,053,945 23,687,025 33,161,835 55,269,725 and 165,809,175, with no remainder.

Since 165,809,175 cannot be divided by just 1 and 165,809,175, 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).