Q: Is 15,440,490 a Composite Number?

Why is 15,440,490 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 15,440,490 can be evenly divided by 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 53 54 65 78 83 90 106 117 130 135 159 166 195 234 249 265 270 318 351 390 415 477 498 530 585 689 702 747 795 830 954 1,079 1,170 1,245 1,378 1,431 1,494 1,590 1,755 2,067 2,158 2,241 2,385 2,490 2,862 3,237 3,445 3,510 3,735 4,134 4,399 4,482 4,770 5,395 6,201 6,474 6,890 7,155 7,470 8,798 9,711 10,335 10,790 11,205 12,402 13,197 14,310 16,185 18,603 19,422 20,670 21,995 22,410 26,394 29,133 31,005 32,370 37,206 39,591 43,990 48,555 57,187 58,266 62,010 65,985 79,182 93,015 97,110 114,374 118,773 131,970 145,665 171,561 186,030 197,955 237,546 285,935 291,330 343,122 395,910 514,683 571,870 593,865 857,805 1,029,366 1,187,730 1,544,049 1,715,610 2,573,415 3,088,098 5,146,830 7,720,245 and 15,440,490, with no remainder.

Since 15,440,490 cannot be divided by just 1 and 15,440,490, 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).