Q: Is 18,765,432 a Composite Number?

Why is 18,765,432 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 18,765,432 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 49 54 56 63 72 81 84 98 108 126 147 162 168 189 196 197 216 243 252 294 324 378 392 394 441 486 504 567 588 591 648 756 788 882 972 1,134 1,176 1,182 1,323 1,379 1,512 1,576 1,701 1,764 1,773 1,944 2,268 2,364 2,646 2,758 3,402 3,528 3,546 3,969 4,137 4,536 4,728 5,292 5,319 5,516 6,804 7,092 7,938 8,274 9,653 10,584 10,638 11,032 11,907 12,411 13,608 14,184 15,876 15,957 16,548 19,306 21,276 23,814 24,822 28,959 31,752 31,914 33,096 37,233 38,612 42,552 47,628 47,871 49,644 57,918 63,828 74,466 77,224 86,877 95,256 95,742 99,288 111,699 115,836 127,656 148,932 173,754 191,484 223,398 231,672 260,631 297,864 335,097 347,508 382,968 446,796 521,262 670,194 695,016 781,893 893,592 1,042,524 1,340,388 1,563,786 2,085,048 2,345,679 2,680,776 3,127,572 4,691,358 6,255,144 9,382,716 and 18,765,432, with no remainder.

Since 18,765,432 cannot be divided by just 1 and 18,765,432, 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).