Q: Is 13,031,550 a Composite Number?

Why is 13,031,550 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 13,031,550 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 49 50 54 63 70 75 90 98 105 126 135 147 150 175 189 197 210 225 245 270 294 315 350 378 394 441 450 490 525 591 630 675 735 882 945 985 1,050 1,182 1,225 1,323 1,350 1,379 1,470 1,575 1,773 1,890 1,970 2,205 2,450 2,646 2,758 2,955 3,150 3,546 3,675 4,137 4,410 4,725 4,925 5,319 5,910 6,615 6,895 7,350 8,274 8,865 9,450 9,653 9,850 10,638 11,025 12,411 13,230 13,790 14,775 17,730 19,306 20,685 22,050 24,822 26,595 28,959 29,550 33,075 34,475 37,233 41,370 44,325 48,265 53,190 57,918 62,055 66,150 68,950 74,466 86,877 88,650 96,530 103,425 124,110 132,975 144,795 173,754 186,165 206,850 241,325 260,631 265,950 289,590 310,275 372,330 434,385 482,650 521,262 620,550 723,975 868,770 930,825 1,303,155 1,447,950 1,861,650 2,171,925 2,606,310 4,343,850 6,515,775 and 13,031,550, with no remainder.

Since 13,031,550 cannot be divided by just 1 and 13,031,550, 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).