Q: Is 15,390,144 a Composite Number?

Why is 15,390,144 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 15,390,144 can be evenly divided by 1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 32 33 36 42 44 48 56 63 64 66 72 77 84 88 96 99 112 126 132 144 154 168 176 192 198 224 231 252 264 288 308 336 347 352 396 448 462 504 528 576 616 672 693 694 704 792 924 1,008 1,041 1,056 1,232 1,344 1,386 1,388 1,584 1,848 2,016 2,082 2,112 2,429 2,464 2,772 2,776 3,123 3,168 3,696 3,817 4,032 4,164 4,858 4,928 5,544 5,552 6,246 6,336 7,287 7,392 7,634 8,328 9,716 11,088 11,104 11,451 12,492 14,574 14,784 15,268 16,656 19,432 21,861 22,176 22,208 22,902 24,984 26,719 29,148 30,536 33,312 34,353 38,864 43,722 44,352 45,804 49,968 53,438 58,296 61,072 66,624 68,706 77,728 80,157 87,444 91,608 99,936 106,876 116,592 122,144 137,412 155,456 160,314 174,888 183,216 199,872 213,752 233,184 240,471 244,288 274,824 320,628 349,776 366,432 427,504 466,368 480,942 549,648 641,256 699,552 732,864 855,008 961,884 1,099,296 1,282,512 1,399,104 1,710,016 1,923,768 2,198,592 2,565,024 3,847,536 5,130,048 7,695,072 and 15,390,144, with no remainder.

Since 15,390,144 cannot be divided by just 1 and 15,390,144, 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).