Q: Is 15,163,470 a Composite Number?

Why is 15,163,470 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 15,163,470 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 71 90 105 113 126 135 142 189 210 213 226 270 315 339 355 378 426 497 565 630 639 678 710 791 945 994 1,017 1,065 1,130 1,278 1,491 1,582 1,695 1,890 1,917 2,034 2,130 2,373 2,485 2,982 3,051 3,195 3,390 3,834 3,955 4,473 4,746 4,970 5,085 6,102 6,390 7,119 7,455 7,910 8,023 8,946 9,585 10,170 11,865 13,419 14,238 14,910 15,255 16,046 19,170 21,357 22,365 23,730 24,069 26,838 30,510 35,595 40,115 42,714 44,730 48,138 56,161 67,095 71,190 72,207 80,230 106,785 112,322 120,345 134,190 144,414 168,483 213,570 216,621 240,690 280,805 336,966 361,035 433,242 505,449 561,610 722,070 842,415 1,010,898 1,083,105 1,516,347 1,684,830 2,166,210 2,527,245 3,032,694 5,054,490 7,581,735 and 15,163,470, with no remainder.

Since 15,163,470 cannot be divided by just 1 and 15,163,470, 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).