Q: Is 8,851,815 a Composite Number?

Why is 8,851,815 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 8,851,815 can be evenly divided by 1 3 5 7 9 15 17 19 21 27 29 35 45 51 57 63 85 87 95 105 119 133 135 145 153 171 189 203 255 261 285 315 323 357 399 435 459 493 513 551 595 609 665 765 783 855 945 969 1,015 1,071 1,197 1,305 1,479 1,615 1,653 1,785 1,827 1,995 2,261 2,295 2,465 2,565 2,755 2,907 3,045 3,213 3,451 3,591 3,857 3,915 4,437 4,845 4,959 5,355 5,481 5,985 6,783 7,395 8,265 8,721 9,135 9,367 10,353 11,305 11,571 13,311 14,535 14,877 16,065 17,255 17,955 19,285 20,349 22,185 24,795 27,405 28,101 31,059 33,915 34,713 43,605 46,835 51,765 57,855 61,047 65,569 66,555 74,385 84,303 93,177 101,745 104,139 140,505 155,295 173,565 196,707 252,909 305,235 327,845 421,515 465,885 520,695 590,121 983,535 1,264,545 1,770,363 2,950,605 and 8,851,815, with no remainder.

Since 8,851,815 cannot be divided by just 1 and 8,851,815, 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).