Q: Is 1,987,776 a Composite Number?

Why is 1,987,776 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 1,987,776 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 28 29 32 34 36 42 48 51 56 58 63 64 68 72 84 87 96 102 112 116 119 126 136 144 153 168 174 192 203 204 224 232 238 252 261 272 288 306 336 348 357 406 408 448 464 476 493 504 522 544 576 609 612 672 696 714 812 816 928 952 986 1,008 1,044 1,071 1,088 1,218 1,224 1,344 1,392 1,428 1,479 1,624 1,632 1,827 1,856 1,904 1,972 2,016 2,088 2,142 2,436 2,448 2,784 2,856 2,958 3,248 3,264 3,451 3,654 3,808 3,944 4,032 4,176 4,284 4,437 4,872 4,896 5,568 5,712 5,916 6,496 6,902 7,308 7,616 7,888 8,352 8,568 8,874 9,744 9,792 10,353 11,424 11,832 12,992 13,804 14,616 15,776 16,704 17,136 17,748 19,488 20,706 22,848 23,664 27,608 29,232 31,059 31,552 34,272 35,496 38,976 41,412 47,328 55,216 58,464 62,118 68,544 70,992 82,824 94,656 110,432 116,928 124,236 141,984 165,648 220,864 248,472 283,968 331,296 496,944 662,592 993,888 and 1,987,776, with no remainder.

Since 1,987,776 cannot be divided by just 1 and 1,987,776, 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).