Q: Is 199,497,375 a Composite Number?

Why is 199,497,375 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 199,497,375 can be evenly divided by 1 3 5 7 9 11 15 21 25 33 35 45 47 49 55 63 75 77 99 105 125 141 147 165 175 225 231 235 245 275 315 329 343 375 385 423 441 495 517 525 539 693 705 735 825 875 987 1,029 1,125 1,155 1,175 1,225 1,375 1,551 1,575 1,617 1,645 1,715 1,925 2,115 2,205 2,303 2,475 2,585 2,625 2,695 2,961 3,087 3,465 3,525 3,619 3,675 3,773 4,125 4,653 4,851 4,935 5,145 5,775 5,875 6,125 6,909 7,755 7,875 8,085 8,225 8,575 9,625 10,575 10,857 11,025 11,319 11,515 12,375 12,925 13,475 14,805 15,435 16,121 17,325 17,625 18,095 18,375 18,865 20,727 23,265 24,255 24,675 25,333 25,725 28,875 32,571 33,957 34,545 38,775 40,425 41,125 42,875 48,363 52,875 54,285 55,125 56,595 57,575 64,625 67,375 74,025 75,999 77,175 80,605 86,625 90,475 94,325 103,635 116,325 121,275 123,375 126,665 128,625 145,089 162,855 169,785 172,725 177,331 193,875 202,125 227,997 241,815 271,425 282,975 287,875 370,125 379,995 385,875 403,025 452,375 471,625 518,175 531,993 581,625 606,375 633,325 725,445 814,275 848,925 863,625 886,655 1,139,985 1,209,075 1,357,125 1,414,875 1,595,979 1,899,975 2,015,125 2,590,875 2,659,965 3,166,625 3,627,225 4,071,375 4,244,625 4,433,275 5,699,925 6,045,375 7,979,895 9,499,875 13,299,825 18,136,125 22,166,375 28,499,625 39,899,475 66,499,125 and 199,497,375, with no remainder.

Since 199,497,375 cannot be divided by just 1 and 199,497,375, 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).