Q: Is 20,872,488 a Composite Number?

Why is 20,872,488 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 20,872,488 can be evenly divided by 1 2 3 4 6 7 8 12 13 14 19 21 24 26 28 38 39 42 52 56 57 76 78 84 91 104 114 133 152 156 168 182 228 247 266 273 312 364 399 456 494 503 532 546 728 741 798 988 1,006 1,064 1,092 1,482 1,509 1,596 1,729 1,976 2,012 2,184 2,964 3,018 3,192 3,458 3,521 4,024 5,187 5,928 6,036 6,539 6,916 7,042 9,557 10,374 10,563 12,072 13,078 13,832 14,084 19,114 19,617 20,748 21,126 26,156 28,168 28,671 38,228 39,234 41,496 42,252 45,773 52,312 57,342 66,899 76,456 78,468 84,504 91,546 114,684 124,241 133,798 137,319 156,936 183,092 200,697 229,368 248,482 267,596 274,638 366,184 372,723 401,394 496,964 535,192 549,276 745,446 802,788 869,687 993,928 1,098,552 1,490,892 1,605,576 1,739,374 2,609,061 2,981,784 3,478,748 5,218,122 6,957,496 10,436,244 and 20,872,488, with no remainder.

Since 20,872,488 cannot be divided by just 1 and 20,872,488, 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).